][ T5560] Call Trace:
[  224.015973][ T5560]  <TASK>
[  224.019001][ T5560]  dump_stack_lvl+0x168/0x230
[  224.023700][ T5560]  ? show_regs_print_info+0x20/0x20
[  224.028891][ T5560]  ? load_image+0x3b0/0x3b0
[  224.033388][ T5560]  sysfs_create_dir_ns+0x252/0x280
[  224.038700][ T5560]  ? __lock_acquire+0x7c60/0x7c60
[  224.043912][ T5560]  ? sysfs_warn_dup+0xa0/0xa0
[  224.048586][ T5560]  ? do_raw_spin_unlock+0x11d/0x230
[  224.053802][ T5560]  kobject_add_internal+0x662/0xd00
[  224.058991][ T5560]  kobject_init_and_add+0x122/0x190
[  224.064183][ T5560]  ? lockdep_softirqs_off+0x420/0x420
[  224.069541][ T5560]  ? kobject_add+0x210/0x210
[  224.074216][ T5560]  ? __init_swait_queue_head+0xa5/0x150
[  224.079763][ T5560]  gfs2_sys_fs_add+0x234/0x480
[  224.084624][ T5560]  ? gfs2_recover_set+0x240/0x240
[  224.089746][ T5560]  ? snprintf+0xd7/0x120
[  224.094101][ T5560]  ? __free_pages+0x95/0x1a0
[  224.098700][ T5560]  ? vscnprintf+0x80/0x80
[  224.103116][ T5560]  gfs2_fill_super+0x128d/0x1f50
[  224.108056][ T5560]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.113166][ T5560]  ? preempt_count_add+0x8d/0x190
[  224.118272][ T5560]  ? sb_set_blocksize+0xa5/0xe0
[  224.123111][ T5560]  get_tree_bdev+0x3f1/0x610
[  224.127739][ T5560]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.132743][ T5560]  gfs2_get_tree+0x4d/0x1e0
[  224.137239][ T5560]  vfs_get_tree+0x88/0x270
[  224.141651][ T5560]  do_new_mount+0x24a/0xa40
[  224.146311][ T5560]  __se_sys_mount+0x2d6/0x3c0
[  224.150969][ T5560]  ? __x64_sys_mount+0xc0/0xc0
[  224.155720][ T5560]  ? lockdep_hardirqs_on+0x94/0x140
[  224.160917][ T5560]  ? __x64_sys_mount+0x1c/0xc0
[  224.165682][ T5560]  do_syscall_64+0x4c/0xa0
[  224.170218][ T5560]  ? clear_bhb_loop+0x30/0x80
[  224.174885][ T5560]  ? clear_bhb_loop+0x30/0x80
[  224.179555][ T5560]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.185463][ T5560] RIP: 0033:0x7fdf0ad9a34a
[  224.189861][ T5560] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.209447][ T5560] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.217932][ T5560] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  224.225888][ T5560] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  224.233843][ T5560] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  224.241826][ T5560] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  224.249874][ T5560] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  224.257845][ T5560]  </TASK>
[  224.261885][ T5560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.275341][ T5560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.584775][ T5562] loop1: detected capacity change from 0 to 32768
[  224.682219][ T5562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.689846][ T5562] CPU: 1 PID: 5562 Comm: syz.1.172 Not tainted syzkaller #0
[  224.697139][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.707285][ T5562] Call Trace:
[  224.710575][ T5562]  <TASK>
[  224.713513][ T5562]  dump_stack_lvl+0x168/0x230
[  224.718209][ T5562]  ? show_regs_print_info+0x20/0x20
[  224.723515][ T5562]  ? load_image+0x3b0/0x3b0
[  224.728219][ T5562]  sysfs_create_dir_ns+0x252/0x280
[  224.733350][ T5562]  ? __lock_acquire+0x7c60/0x7c60
[  224.738469][ T5562]  ? sysfs_warn_dup+0xa0/0xa0
[  224.743224][ T5562]  ? do_raw_spin_unlock+0x11d/0x230
[  224.748405][ T5562]  kobject_add_internal+0x662/0xd00
[  224.753593][ T5562]  kobject_init_and_add+0x122/0x190
[  224.758781][ T5562]  ? lockdep_softirqs_off+0x420/0x420
[  224.764301][ T5562]  ? kobject_add+0x210/0x210
[  224.769025][ T5562]  ? __init_swait_queue_head+0xa5/0x150
[  224.774563][ T5562]  gfs2_sys_fs_add+0x234/0x480
[  224.779324][ T5562]  ? gfs2_recover_set+0x240/0x240
[  224.784331][ T5562]  ? snprintf+0xd7/0x120
[  224.788568][ T5562]  ? __free_pages+0x95/0x1a0
[  224.793147][ T5562]  ? vscnprintf+0x80/0x80
[  224.797467][ T5562]  gfs2_fill_super+0x128d/0x1f50
[  224.802605][ T5562]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.807631][ T5562]  ? preempt_count_add+0x8d/0x190
[  224.812754][ T5562]  ? sb_set_blocksize+0xa5/0xe0
[  224.817640][ T5562]  get_tree_bdev+0x3f1/0x610
[  224.822312][ T5562]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.827462][ T5562]  gfs2_get_tree+0x4d/0x1e0
[  224.831960][ T5562]  vfs_get_tree+0x88/0x270
[  224.836366][ T5562]  do_new_mount+0x24a/0xa40
[  224.840866][ T5562]  __se_sys_mount+0x2d6/0x3c0
[  224.845563][ T5562]  ? __x64_sys_mount+0xc0/0xc0
[  224.850590][ T5562]  ? lockdep_hardirqs_on+0x94/0x140
[  224.855870][ T5562]  ? __x64_sys_mount+0x1c/0xc0
[  224.860622][ T5562]  do_syscall_64+0x4c/0xa0
[  224.865197][ T5562]  ? clear_bhb_loop+0x30/0x80
[  224.870131][ T5562]  ? clear_bhb_loop+0x30/0x80
[  224.874970][ T5562]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.881058][ T5562] RIP: 0033:0x7fdf0ad9a34a
[  224.885571][ T5562] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.905352][ T5562] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.914464][ T5562] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  224.922528][ T5562] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  224.930605][ T5562] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  224.938577][ T5562] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  224.946538][ T5562] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  224.954770][ T5562]  </TASK>
[  224.960025][ T5562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.974291][ T5562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.279547][ T5564] loop1: detected capacity change from 0 to 32768
[  225.353650][ T5564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.364101][ T5564] CPU: 0 PID: 5564 Comm: syz.1.173 Not tainted syzkaller #0
[  225.371416][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.381572][ T5564] Call Trace:
[  225.384968][ T5564]  <TASK>
[  225.387991][ T5564]  dump_stack_lvl+0x168/0x230
[  225.392814][ T5564]  ? show_regs_print_info+0x20/0x20
[  225.398130][ T5564]  ? load_image+0x3b0/0x3b0
[  225.402762][ T5564]  sysfs_create_dir_ns+0x252/0x280
[  225.407894][ T5564]  ? __lock_acquire+0x7c60/0x7c60
[  225.413039][ T5564]  ? sysfs_warn_dup+0xa0/0xa0
[  225.417829][ T5564]  ? do_raw_spin_unlock+0x11d/0x230
[  225.423388][ T5564]  kobject_add_internal+0x662/0xd00
[  225.428622][ T5564]  kobject_init_and_add+0x122/0x190
[  225.433843][ T5564]  ? lockdep_softirqs_off+0x420/0x420
[  225.439238][ T5564]  ? kobject_add+0x210/0x210
[  225.443844][ T5564]  ? __init_swait_queue_head+0xa5/0x150
[  225.449396][ T5564]  gfs2_sys_fs_add+0x234/0x480
[  225.454229][ T5564]  ? gfs2_recover_set+0x240/0x240
[  225.459439][ T5564]  ? snprintf+0xd7/0x120
[  225.463747][ T5564]  ? __free_pages+0x95/0x1a0
[  225.468582][ T5564]  ? vscnprintf+0x80/0x80
[  225.472905][ T5564]  gfs2_fill_super+0x128d/0x1f50
[  225.478019][ T5564]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.483145][ T5564]  ? preempt_count_add+0x8d/0x190
[  225.488356][ T5564]  ? sb_set_blocksize+0xa5/0xe0
[  225.493189][ T5564]  get_tree_bdev+0x3f1/0x610
[  225.497778][ T5564]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.503142][ T5564]  gfs2_get_tree+0x4d/0x1e0
[  225.507630][ T5564]  vfs_get_tree+0x88/0x270
[  225.512124][ T5564]  do_new_mount+0x24a/0xa40
[  225.516618][ T5564]  __se_sys_mount+0x2d6/0x3c0
[  225.521280][ T5564]  ? __x64_sys_mount+0xc0/0xc0
[  225.526111][ T5564]  ? lockdep_hardirqs_on+0x94/0x140
[  225.531475][ T5564]  ? __x64_sys_mount+0x1c/0xc0
[  225.536221][ T5564]  do_syscall_64+0x4c/0xa0
[  225.540622][ T5564]  ? clear_bhb_loop+0x30/0x80
[  225.545281][ T5564]  ? clear_bhb_loop+0x30/0x80
[  225.549941][ T5564]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.555824][ T5564] RIP: 0033:0x7fdf0ad9a34a
[  225.560350][ T5564] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.580124][ T5564] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.588714][ T5564] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  225.596712][ T5564] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  225.604699][ T5564] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  225.612657][ T5564] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  225.620764][ T5564] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  225.628775][ T5564]  </TASK>
[  225.633155][ T5564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.646726][ T5564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.956909][ T5566] loop1: detected capacity change from 0 to 32768
[  226.005605][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.013194][ T5566] CPU: 0 PID: 5566 Comm: syz.1.174 Not tainted syzkaller #0
[  226.020600][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.030879][ T5566] Call Trace:
[  226.034357][ T5566]  <TASK>
[  226.037384][ T5566]  dump_stack_lvl+0x168/0x230
[  226.042175][ T5566]  ? show_regs_print_info+0x20/0x20
[  226.047593][ T5566]  ? load_image+0x3b0/0x3b0
[  226.052216][ T5566]  sysfs_create_dir_ns+0x252/0x280
[  226.057452][ T5566]  ? __lock_acquire+0x7c60/0x7c60
[  226.062495][ T5566]  ? sysfs_warn_dup+0xa0/0xa0
[  226.067209][ T5566]  ? do_raw_spin_unlock+0x11d/0x230
[  226.072435][ T5566]  kobject_add_internal+0x662/0xd00
[  226.077655][ T5566]  kobject_init_and_add+0x122/0x190
[  226.083066][ T5566]  ? lockdep_softirqs_off+0x420/0x420
[  226.088620][ T5566]  ? kobject_add+0x210/0x210
[  226.093752][ T5566]  ? __init_swait_queue_head+0xa5/0x150
[  226.099489][ T5566]  gfs2_sys_fs_add+0x234/0x480
[  226.104427][ T5566]  ? gfs2_recover_set+0x240/0x240
[  226.109443][ T5566]  ? snprintf+0xd7/0x120
[  226.113773][ T5566]  ? __free_pages+0x95/0x1a0
[  226.118492][ T5566]  ? vscnprintf+0x80/0x80
[  226.122820][ T5566]  gfs2_fill_super+0x128d/0x1f50
[  226.127748][ T5566]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.132758][ T5566]  ? preempt_count_add+0x8d/0x190
[  226.137855][ T5566]  ? sb_set_blocksize+0xa5/0xe0
[  226.142711][ T5566]  get_tree_bdev+0x3f1/0x610
[  226.147300][ T5566]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.152329][ T5566]  gfs2_get_tree+0x4d/0x1e0
[  226.157242][ T5566]  vfs_get_tree+0x88/0x270
[  226.161742][ T5566]  do_new_mount+0x24a/0xa40
[  226.166328][ T5566]  __se_sys_mount+0x2d6/0x3c0
[  226.171505][ T5566]  ? __x64_sys_mount+0xc0/0xc0
[  226.176265][ T5566]  ? lockdep_hardirqs_on+0x94/0x140
[  226.181470][ T5566]  ? __x64_sys_mount+0x1c/0xc0
[  226.186405][ T5566]  do_syscall_64+0x4c/0xa0
[  226.190817][ T5566]  ? clear_bhb_loop+0x30/0x80
[  226.195483][ T5566]  ? clear_bhb_loop+0x30/0x80
[  226.200242][ T5566]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.206218][ T5566] RIP: 0033:0x7fdf0ad9a34a
[  226.210820][ T5566] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.230810][ T5566] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.239214][ T5566] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  226.247362][ T5566] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  226.255318][ T5566] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  226.263277][ T5566] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  226.271350][ T5566] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  226.279319][ T5566]  </TASK>
[  226.283438][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.297117][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.620407][ T5568] loop1: detected capacity change from 0 to 32768
[  226.696086][ T5568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.703944][ T5568] CPU: 1 PID: 5568 Comm: syz.1.175 Not tainted syzkaller #0
[  226.711260][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.721447][ T5568] Call Trace:
[  226.724742][ T5568]  <TASK>
[  226.727681][ T5568]  dump_stack_lvl+0x168/0x230
[  226.732555][ T5568]  ? show_regs_print_info+0x20/0x20
[  226.737775][ T5568]  ? load_image+0x3b0/0x3b0
[  226.742306][ T5568]  sysfs_create_dir_ns+0x252/0x280
[  226.747438][ T5568]  ? __lock_acquire+0x7c60/0x7c60
[  226.752486][ T5568]  ? sysfs_warn_dup+0xa0/0xa0
[  226.757364][ T5568]  ? do_raw_spin_unlock+0x11d/0x230
[  226.762581][ T5568]  kobject_add_internal+0x662/0xd00
[  226.767798][ T5568]  kobject_init_and_add+0x122/0x190
[  226.773007][ T5568]  ? lockdep_softirqs_off+0x420/0x420
[  226.778494][ T5568]  ? kobject_add+0x210/0x210
[  226.783075][ T5568]  ? __init_swait_queue_head+0xa5/0x150
[  226.788752][ T5568]  gfs2_sys_fs_add+0x234/0x480
[  226.793500][ T5568]  ? gfs2_recover_set+0x240/0x240
[  226.798543][ T5568]  ? snprintf+0xd7/0x120
[  226.802771][ T5568]  ? __free_pages+0x95/0x1a0
[  226.807698][ T5568]  ? vscnprintf+0x80/0x80
[  226.812017][ T5568]  gfs2_fill_super+0x128d/0x1f50
[  226.816955][ T5568]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.821960][ T5568]  ? preempt_count_add+0x8d/0x190
[  226.827058][ T5568]  ? sb_set_blocksize+0xa5/0xe0
[  226.831934][ T5568]  get_tree_bdev+0x3f1/0x610
[  226.836519][ T5568]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.841815][ T5568]  gfs2_get_tree+0x4d/0x1e0
[  226.846315][ T5568]  vfs_get_tree+0x88/0x270
[  226.850818][ T5568]  do_new_mount+0x24a/0xa40
[  226.855311][ T5568]  __se_sys_mount+0x2d6/0x3c0
[  226.860105][ T5568]  ? __x64_sys_mount+0xc0/0xc0
[  226.864873][ T5568]  ? lockdep_hardirqs_on+0x94/0x140
[  226.870290][ T5568]  ? __x64_sys_mount+0x1c/0xc0
[  226.875139][ T5568]  do_syscall_64+0x4c/0xa0
[  226.879541][ T5568]  ? clear_bhb_loop+0x30/0x80
[  226.884296][ T5568]  ? clear_bhb_loop+0x30/0x80
[  226.889126][ T5568]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.895020][ T5568] RIP: 0033:0x7fdf0ad9a34a
[  226.899415][ T5568] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.919176][ T5568] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.927627][ T5568] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  226.935615][ T5568] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  226.943593][ T5568] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  226.951691][ T5568] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  226.959652][ T5568] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  226.967711][ T5568]  </TASK>
[  226.972437][ T5568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.985754][ T5568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.996150][ T4425] Bluetooth: hci0: command 0x0406 tx timeout
[  227.292836][ T5570] loop1: detected capacity change from 0 to 32768
[  227.344301][ T5570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.352014][ T5570] CPU: 0 PID: 5570 Comm: syz.1.176 Not tainted syzkaller #0
[  227.359317][ T5570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.369504][ T5570] Call Trace:
[  227.372889][ T5570]  <TASK>
[  227.375911][ T5570]  dump_stack_lvl+0x168/0x230
[  227.380626][ T5570]  ? show_regs_print_info+0x20/0x20
[  227.385836][ T5570]  ? load_image+0x3b0/0x3b0
[  227.390422][ T5570]  sysfs_create_dir_ns+0x252/0x280
[  227.395539][ T5570]  ? __lock_acquire+0x7c60/0x7c60
[  227.400624][ T5570]  ? sysfs_warn_dup+0xa0/0xa0
[  227.405319][ T5570]  ? do_raw_spin_unlock+0x11d/0x230
[  227.410535][ T5570]  kobject_add_internal+0x662/0xd00
[  227.415753][ T5570]  kobject_init_and_add+0x122/0x190
[  227.421060][ T5570]  ? lockdep_softirqs_off+0x420/0x420
[  227.426419][ T5570]  ? kobject_add+0x210/0x210
[  227.431082][ T5570]  ? __init_swait_queue_head+0xa5/0x150
[  227.436812][ T5570]  gfs2_sys_fs_add+0x234/0x480
[  227.441653][ T5570]  ? gfs2_recover_set+0x240/0x240
[  227.446661][ T5570]  ? snprintf+0xd7/0x120
[  227.450887][ T5570]  ? __free_pages+0x95/0x1a0
[  227.455631][ T5570]  ? vscnprintf+0x80/0x80
[  227.459966][ T5570]  gfs2_fill_super+0x128d/0x1f50
[  227.464902][ T5570]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.470105][ T5570]  ? preempt_count_add+0x8d/0x190
[  227.475238][ T5570]  ? sb_set_blocksize+0xa5/0xe0
[  227.480075][ T5570]  get_tree_bdev+0x3f1/0x610
[  227.484745][ T5570]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.489763][ T5570]  gfs2_get_tree+0x4d/0x1e0
[  227.494340][ T5570]  vfs_get_tree+0x88/0x270
[  227.498740][ T5570]  do_new_mount+0x24a/0xa40
[  227.503266][ T5570]  __se_sys_mount+0x2d6/0x3c0
[  227.507934][ T5570]  ? __x64_sys_mount+0xc0/0xc0
[  227.513020][ T5570]  ? lockdep_hardirqs_on+0x94/0x140
[  227.518229][ T5570]  ? __x64_sys_mount+0x1c/0xc0
[  227.523130][ T5570]  do_syscall_64+0x4c/0xa0
[  227.527643][ T5570]  ? clear_bhb_loop+0x30/0x80
[  227.532302][ T5570]  ? clear_bhb_loop+0x30/0x80
[  227.537050][ T5570]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.542950][ T5570] RIP: 0033:0x7fdf0ad9a34a
[  227.547347][ T5570] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.566965][ T5570] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.575574][ T5570] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  227.583712][ T5570] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  227.591688][ T5570] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  227.599773][ T5570] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  227.607733][ T5570] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  227.615866][ T5570]  </TASK>
[  227.620184][ T5570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.633963][ T5570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.949069][ T5572] loop1: detected capacity change from 0 to 32768
[  228.024366][ T5572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.032338][ T5572] CPU: 1 PID: 5572 Comm: syz.1.177 Not tainted syzkaller #0
[  228.039924][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.050426][ T5572] Call Trace:
[  228.053712][ T5572]  <TASK>
[  228.056730][ T5572]  dump_stack_lvl+0x168/0x230
[  228.061530][ T5572]  ? show_regs_print_info+0x20/0x20
[  228.066747][ T5572]  ? load_image+0x3b0/0x3b0
[  228.071364][ T5572]  sysfs_create_dir_ns+0x252/0x280
[  228.076500][ T5572]  ? __lock_acquire+0x7c60/0x7c60
[  228.081703][ T5572]  ? sysfs_warn_dup+0xa0/0xa0
[  228.086516][ T5572]  ? do_raw_spin_unlock+0x11d/0x230
[  228.091822][ T5572]  kobject_add_internal+0x662/0xd00
[  228.097040][ T5572]  kobject_init_and_add+0x122/0x190
[  228.102344][ T5572]  ? lockdep_softirqs_off+0x420/0x420
[  228.107743][ T5572]  ? kobject_add+0x210/0x210
[  228.112422][ T5572]  ? __init_swait_queue_head+0xa5/0x150
[  228.117958][ T5572]  gfs2_sys_fs_add+0x234/0x480
[  228.122706][ T5572]  ? gfs2_recover_set+0x240/0x240
[  228.127731][ T5572]  ? snprintf+0xd7/0x120
[  228.132130][ T5572]  ? __free_pages+0x95/0x1a0
[  228.136903][ T5572]  ? vscnprintf+0x80/0x80
[  228.141246][ T5572]  gfs2_fill_super+0x128d/0x1f50
[  228.146349][ T5572]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.151399][ T5572]  ? preempt_count_add+0x8d/0x190
[  228.156633][ T5572]  ? sb_set_blocksize+0xa5/0xe0
[  228.161715][ T5572]  get_tree_bdev+0x3f1/0x610
[  228.166659][ T5572]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.172016][ T5572]  gfs2_get_tree+0x4d/0x1e0
[  228.176688][ T5572]  vfs_get_tree+0x88/0x270
[  228.181093][ T5572]  do_new_mount+0x24a/0xa40
[  228.185601][ T5572]  __se_sys_mount+0x2d6/0x3c0
[  228.190518][ T5572]  ? __x64_sys_mount+0xc0/0xc0
[  228.195431][ T5572]  ? lockdep_hardirqs_on+0x94/0x140
[  228.200740][ T5572]  ? __x64_sys_mount+0x1c/0xc0
[  228.205505][ T5572]  do_syscall_64+0x4c/0xa0
[  228.209999][ T5572]  ? clear_bhb_loop+0x30/0x80
[  228.214758][ T5572]  ? clear_bhb_loop+0x30/0x80
[  228.219604][ T5572]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.225683][ T5572] RIP: 0033:0x7fdf0ad9a34a
[  228.230086][ T5572] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.249964][ T5572] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.258391][ T5572] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  228.266453][ T5572] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  228.274714][ T5572] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  228.282768][ T5572] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  228.290726][ T5572] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  228.298816][ T5572]  </TASK>
[  228.302968][ T5572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.316307][ T5572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.609304][ T5574] loop1: detected capacity change from 0 to 32768
[  228.670529][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.678699][ T5574] CPU: 1 PID: 5574 Comm: syz.1.178 Not tainted syzkaller #0
[  228.686444][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.696600][ T5574] Call Trace:
[  228.699907][ T5574]  <TASK>
[  228.702932][ T5574]  dump_stack_lvl+0x168/0x230
[  228.707625][ T5574]  ? show_regs_print_info+0x20/0x20
[  228.712933][ T5574]  ? load_image+0x3b0/0x3b0
[  228.717551][ T5574]  sysfs_create_dir_ns+0x252/0x280
[  228.722768][ T5574]  ? __lock_acquire+0x7c60/0x7c60
[  228.727806][ T5574]  ? sysfs_warn_dup+0xa0/0xa0
[  228.732517][ T5574]  ? do_raw_spin_unlock+0x11d/0x230
[  228.737749][ T5574]  kobject_add_internal+0x662/0xd00
[  228.743141][ T5574]  kobject_init_and_add+0x122/0x190
[  228.748445][ T5574]  ? lockdep_softirqs_off+0x420/0x420
[  228.753814][ T5574]  ? kobject_add+0x210/0x210
[  228.758577][ T5574]  ? __init_swait_queue_head+0xa5/0x150
[  228.764253][ T5574]  gfs2_sys_fs_add+0x234/0x480
[  228.769022][ T5574]  ? gfs2_recover_set+0x240/0x240
[  228.774426][ T5574]  ? snprintf+0xd7/0x120
[  228.778853][ T5574]  ? __free_pages+0x95/0x1a0
[  228.783888][ T5574]  ? vscnprintf+0x80/0x80
[  228.788339][ T5574]  gfs2_fill_super+0x128d/0x1f50
[  228.793287][ T5574]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.798316][ T5574]  ? preempt_count_add+0x8d/0x190
[  228.803526][ T5574]  ? sb_set_blocksize+0xa5/0xe0
[  228.808379][ T5574]  get_tree_bdev+0x3f1/0x610
[  228.813072][ T5574]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.818242][ T5574]  gfs2_get_tree+0x4d/0x1e0
[  228.822911][ T5574]  vfs_get_tree+0x88/0x270
[  228.827416][ T5574]  do_new_mount+0x24a/0xa40
[  228.831934][ T5574]  __se_sys_mount+0x2d6/0x3c0
[  228.837046][ T5574]  ? __x64_sys_mount+0xc0/0xc0
[  228.841905][ T5574]  ? lockdep_hardirqs_on+0x94/0x140
[  228.847314][ T5574]  ? __x64_sys_mount+0x1c/0xc0
[  228.852316][ T5574]  do_syscall_64+0x4c/0xa0
[  228.857151][ T5574]  ? clear_bhb_loop+0x30/0x80
[  228.862137][ T5574]  ? clear_bhb_loop+0x30/0x80
[  228.866906][ T5574]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.873062][ T5574] RIP: 0033:0x7fdf0ad9a34a
[  228.877651][ T5574] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.897933][ T5574] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.906357][ T5574] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  228.914334][ T5574] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  228.922384][ T5574] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  228.930430][ T5574] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  228.938510][ T5574] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  228.946741][ T5574]  </TASK>
[  228.950946][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.964948][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:17:20 executed programs: 164
[  229.266682][ T5576] loop1: detected capacity change from 0 to 32768
[  229.317958][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.325678][ T5576] CPU: 0 PID: 5576 Comm: syz.1.179 Not tainted syzkaller #0
[  229.332980][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.343219][ T5576] Call Trace:
[  229.346681][ T5576]  <TASK>
[  229.349624][ T5576]  dump_stack_lvl+0x168/0x230
[  229.354460][ T5576]  ? show_regs_print_info+0x20/0x20
[  229.359770][ T5576]  ? load_image+0x3b0/0x3b0
[  229.364387][ T5576]  sysfs_create_dir_ns+0x252/0x280
[  229.369529][ T5576]  ? __lock_acquire+0x7c60/0x7c60
[  229.374573][ T5576]  ? sysfs_warn_dup+0xa0/0xa0
[  229.379332][ T5576]  ? do_raw_spin_unlock+0x11d/0x230
[  229.384646][ T5576]  kobject_add_internal+0x662/0xd00
[  229.389857][ T5576]  kobject_init_and_add+0x122/0x190
[  229.395251][ T5576]  ? lockdep_softirqs_off+0x420/0x420
[  229.400612][ T5576]  ? kobject_add+0x210/0x210
[  229.405230][ T5576]  ? __init_swait_queue_head+0xa5/0x150
[  229.410865][ T5576]  gfs2_sys_fs_add+0x234/0x480
[  229.415620][ T5576]  ? gfs2_recover_set+0x240/0x240
[  229.420716][ T5576]  ? snprintf+0xd7/0x120
[  229.425030][ T5576]  ? __free_pages+0x95/0x1a0
[  229.429632][ T5576]  ? vscnprintf+0x80/0x80
[  229.434042][ T5576]  gfs2_fill_super+0x128d/0x1f50
[  229.438983][ T5576]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.444080][ T5576]  ? preempt_count_add+0x8d/0x190
[  229.449195][ T5576]  ? sb_set_blocksize+0xa5/0xe0
[  229.454122][ T5576]  get_tree_bdev+0x3f1/0x610
[  229.458700][ T5576]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.463810][ T5576]  gfs2_get_tree+0x4d/0x1e0
[  229.468335][ T5576]  vfs_get_tree+0x88/0x270
[  229.472753][ T5576]  do_new_mount+0x24a/0xa40
[  229.477336][ T5576]  __se_sys_mount+0x2d6/0x3c0
[  229.482015][ T5576]  ? __x64_sys_mount+0xc0/0xc0
[  229.486765][ T5576]  ? lockdep_hardirqs_on+0x94/0x140
[  229.491961][ T5576]  ? __x64_sys_mount+0x1c/0xc0
[  229.496842][ T5576]  do_syscall_64+0x4c/0xa0
[  229.501250][ T5576]  ? clear_bhb_loop+0x30/0x80
[  229.505918][ T5576]  ? clear_bhb_loop+0x30/0x80
[  229.510590][ T5576]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.516650][ T5576] RIP: 0033:0x7fdf0ad9a34a
[  229.521139][ T5576] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.541526][ T5576] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.550143][ T5576] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  229.558297][ T5576] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  229.566374][ T5576] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  229.574560][ T5576] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  229.583493][ T5576] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  229.591567][ T5576]  </TASK>
[  229.596051][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.609369][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.930462][ T5578] loop1: detected capacity change from 0 to 32768
[  229.983978][ T5578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.991619][ T5578] CPU: 0 PID: 5578 Comm: syz.1.180 Not tainted syzkaller #0
[  229.999108][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.009271][ T5578] Call Trace:
[  230.012561][ T5578]  <TASK>
[  230.015681][ T5578]  dump_stack_lvl+0x168/0x230
[  230.020409][ T5578]  ? show_regs_print_info+0x20/0x20
[  230.025611][ T5578]  ? load_image+0x3b0/0x3b0
[  230.030132][ T5578]  sysfs_create_dir_ns+0x252/0x280
[  230.035257][ T5578]  ? __lock_acquire+0x7c60/0x7c60
[  230.040298][ T5578]  ? sysfs_warn_dup+0xa0/0xa0
[  230.045080][ T5578]  ? do_raw_spin_unlock+0x11d/0x230
[  230.050466][ T5578]  kobject_add_internal+0x662/0xd00
[  230.055786][ T5578]  kobject_init_and_add+0x122/0x190
[  230.060995][ T5578]  ? lockdep_softirqs_off+0x420/0x420
[  230.066565][ T5578]  ? kobject_add+0x210/0x210
[  230.071149][ T5578]  ? __init_swait_queue_head+0xa5/0x150
[  230.077076][ T5578]  gfs2_sys_fs_add+0x234/0x480
[  230.081855][ T5578]  ? gfs2_recover_set+0x240/0x240
[  230.086867][ T5578]  ? snprintf+0xd7/0x120
[  230.091090][ T5578]  ? __free_pages+0x95/0x1a0
[  230.095678][ T5578]  ? vscnprintf+0x80/0x80
[  230.100013][ T5578]  gfs2_fill_super+0x128d/0x1f50
[  230.105185][ T5578]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.110275][ T5578]  ? preempt_count_add+0x8d/0x190
[  230.115399][ T5578]  ? sb_set_blocksize+0xa5/0xe0
[  230.120408][ T5578]  get_tree_bdev+0x3f1/0x610
[  230.124996][ T5578]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.130006][ T5578]  gfs2_get_tree+0x4d/0x1e0
[  230.134496][ T5578]  vfs_get_tree+0x88/0x270
[  230.138902][ T5578]  do_new_mount+0x24a/0xa40
[  230.144000][ T5578]  __se_sys_mount+0x2d6/0x3c0
[  230.148764][ T5578]  ? __x64_sys_mount+0xc0/0xc0
[  230.153656][ T5578]  ? lockdep_hardirqs_on+0x94/0x140
[  230.159115][ T5578]  ? __x64_sys_mount+0x1c/0xc0
[  230.164043][ T5578]  do_syscall_64+0x4c/0xa0
[  230.168553][ T5578]  ? clear_bhb_loop+0x30/0x80
[  230.173269][ T5578]  ? clear_bhb_loop+0x30/0x80
[  230.177998][ T5578]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.183972][ T5578] RIP: 0033:0x7fdf0ad9a34a
[  230.188470][ T5578] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.208337][ T5578] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.216837][ T5578] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  230.224803][ T5578] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  230.232895][ T5578] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  230.240867][ T5578] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  230.249228][ T5578] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  230.257262][ T5578]  </TASK>
[  230.263292][ T5578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.276819][ T5578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.568507][ T5580] loop1: detected capacity change from 0 to 32768
[  230.579616][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.588682][ T5580] CPU: 0 PID: 5580 Comm: syz.1.181 Not tainted syzkaller #0
[  230.596082][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.606150][ T5580] Call Trace:
[  230.609449][ T5580]  <TASK>
[  230.612483][ T5580]  dump_stack_lvl+0x168/0x230
[  230.617185][ T5580]  ? show_regs_print_info+0x20/0x20
[  230.622403][ T5580]  ? load_image+0x3b0/0x3b0
[  230.626930][ T5580]  sysfs_create_dir_ns+0x252/0x280
[  230.632075][ T5580]  ? __lock_acquire+0x7c60/0x7c60
[  230.637196][ T5580]  ? sysfs_warn_dup+0xa0/0xa0
[  230.642091][ T5580]  ? do_raw_spin_unlock+0x11d/0x230
[  230.647294][ T5580]  kobject_add_internal+0x662/0xd00
[  230.652645][ T5580]  kobject_init_and_add+0x122/0x190
[  230.657943][ T5580]  ? lockdep_softirqs_off+0x420/0x420
[  230.663566][ T5580]  ? kobject_add+0x210/0x210
[  230.668146][ T5580]  ? __init_swait_queue_head+0xa5/0x150
[  230.674001][ T5580]  gfs2_sys_fs_add+0x234/0x480
[  230.678773][ T5580]  ? gfs2_recover_set+0x240/0x240
[  230.683825][ T5580]  ? snprintf+0xd7/0x120
[  230.688176][ T5580]  ? __free_pages+0x95/0x1a0
[  230.692766][ T5580]  ? vscnprintf+0x80/0x80
[  230.697083][ T5580]  gfs2_fill_super+0x128d/0x1f50
[  230.702115][ T5580]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.707127][ T5580]  ? preempt_count_add+0x8d/0x190
[  230.712230][ T5580]  ? sb_set_blocksize+0xa5/0xe0
[  230.717235][ T5580]  get_tree_bdev+0x3f1/0x610
[  230.722054][ T5580]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.727060][ T5580]  gfs2_get_tree+0x4d/0x1e0
[  230.731734][ T5580]  vfs_get_tree+0x88/0x270
[  230.736241][ T5580]  do_new_mount+0x24a/0xa40
[  230.740850][ T5580]  __se_sys_mount+0x2d6/0x3c0
[  230.746112][ T5580]  ? __x64_sys_mount+0xc0/0xc0
[  230.751085][ T5580]  ? lockdep_hardirqs_on+0x94/0x140
[  230.756582][ T5580]  ? __x64_sys_mount+0x1c/0xc0
[  230.761533][ T5580]  do_syscall_64+0x4c/0xa0
[  230.766039][ T5580]  ? clear_bhb_loop+0x30/0x80
[  230.770837][ T5580]  ? clear_bhb_loop+0x30/0x80
[  230.775517][ T5580]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.781788][ T5580] RIP: 0033:0x7fdf0ad9a34a
[  230.786287][ T5580] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.806379][ T5580] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.814809][ T5580] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  230.822946][ T5580] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  230.830910][ T5580] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  230.839018][ T5580] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  230.847170][ T5580] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  230.855234][ T5580]  </TASK>
[  230.859709][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.873238][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.173984][ T5582] loop1: detected capacity change from 0 to 32768
[  231.257326][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.275545][ T5582] CPU: 0 PID: 5582 Comm: syz.1.182 Not tainted syzkaller #0
[  231.282872][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.292939][ T5582] Call Trace:
[  231.296235][ T5582]  <TASK>
[  231.299168][ T5582]  dump_stack_lvl+0x168/0x230
[  231.303859][ T5582]  ? show_regs_print_info+0x20/0x20
[  231.309227][ T5582]  ? load_image+0x3b0/0x3b0
[  231.313757][ T5582]  sysfs_create_dir_ns+0x252/0x280
[  231.318868][ T5582]  ? __lock_acquire+0x7c60/0x7c60
[  231.323982][ T5582]  ? sysfs_warn_dup+0xa0/0xa0
[  231.328648][ T5582]  ? do_raw_spin_unlock+0x11d/0x230
[  231.333838][ T5582]  kobject_add_internal+0x662/0xd00
[  231.339035][ T5582]  kobject_init_and_add+0x122/0x190
[  231.344538][ T5582]  ? lockdep_softirqs_off+0x420/0x420
[  231.350053][ T5582]  ? kobject_add+0x210/0x210
[  231.354643][ T5582]  ? __init_swait_queue_head+0xa5/0x150
[  231.360324][ T5582]  gfs2_sys_fs_add+0x234/0x480
[  231.365121][ T5582]  ? gfs2_recover_set+0x240/0x240
[  231.370168][ T5582]  ? snprintf+0xd7/0x120
[  231.374404][ T5582]  ? __free_pages+0x95/0x1a0
[  231.379076][ T5582]  ? vscnprintf+0x80/0x80
[  231.383417][ T5582]  gfs2_fill_super+0x128d/0x1f50
[  231.388373][ T5582]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.393567][ T5582]  ? preempt_count_add+0x8d/0x190
[  231.398786][ T5582]  ? sb_set_blocksize+0xa5/0xe0
[  231.403796][ T5582]  get_tree_bdev+0x3f1/0x610
[  231.408404][ T5582]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.413601][ T5582]  gfs2_get_tree+0x4d/0x1e0
[  231.418381][ T5582]  vfs_get_tree+0x88/0x270
[  231.422970][ T5582]  do_new_mount+0x24a/0xa40
[  231.427600][ T5582]  __se_sys_mount+0x2d6/0x3c0
[  231.432514][ T5582]  ? __x64_sys_mount+0xc0/0xc0
[  231.437377][ T5582]  ? lockdep_hardirqs_on+0x94/0x140
[  231.442827][ T5582]  ? __x64_sys_mount+0x1c/0xc0
[  231.447591][ T5582]  do_syscall_64+0x4c/0xa0
[  231.452026][ T5582]  ? clear_bhb_loop+0x30/0x80
[  231.457834][ T5582]  ? clear_bhb_loop+0x30/0x80
[  231.462566][ T5582]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.468677][ T5582] RIP: 0033:0x7fdf0ad9a34a
[  231.473096][ T5582] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.492980][ T5582] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.501490][ T5582] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  231.509456][ T5582] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  231.517647][ T5582] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  231.525612][ T5582] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  231.533571][ T5582] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  231.541851][ T5582]  </TASK>
[  231.546449][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.559976][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.870265][ T5584] loop1: detected capacity change from 0 to 32768
[  231.940779][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.952164][ T5584] CPU: 1 PID: 5584 Comm: syz.1.183 Not tainted syzkaller #0
[  231.959681][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.969848][ T5584] Call Trace:
[  231.973243][ T5584]  <TASK>
[  231.976280][ T5584]  dump_stack_lvl+0x168/0x230
[  231.981077][ T5584]  ? show_regs_print_info+0x20/0x20
[  231.986467][ T5584]  ? load_image+0x3b0/0x3b0
[  231.991005][ T5584]  sysfs_create_dir_ns+0x252/0x280
[  231.996509][ T5584]  ? __lock_acquire+0x7c60/0x7c60
[  232.001818][ T5584]  ? sysfs_warn_dup+0xa0/0xa0
[  232.007109][ T5584]  ? do_raw_spin_unlock+0x11d/0x230
[  232.012767][ T5584]  kobject_add_internal+0x662/0xd00
[  232.018076][ T5584]  kobject_init_and_add+0x122/0x190
[  232.023558][ T5584]  ? lockdep_softirqs_off+0x420/0x420
[  232.028960][ T5584]  ? kobject_add+0x210/0x210
[  232.033678][ T5584]  ? __init_swait_queue_head+0xa5/0x150
[  232.039312][ T5584]  gfs2_sys_fs_add+0x234/0x480
[  232.044080][ T5584]  ? gfs2_recover_set+0x240/0x240
[  232.049212][ T5584]  ? snprintf+0xd7/0x120
[  232.053471][ T5584]  ? __free_pages+0x95/0x1a0
[  232.058071][ T5584]  ? vscnprintf+0x80/0x80
[  232.062492][ T5584]  gfs2_fill_super+0x128d/0x1f50
[  232.067424][ T5584]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.072526][ T5584]  ? preempt_count_add+0x8d/0x190
[  232.077638][ T5584]  ? sb_set_blocksize+0xa5/0xe0
[  232.082489][ T5584]  get_tree_bdev+0x3f1/0x610
[  232.087063][ T5584]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.092088][ T5584]  gfs2_get_tree+0x4d/0x1e0
[  232.096595][ T5584]  vfs_get_tree+0x88/0x270
[  232.101028][ T5584]  do_new_mount+0x24a/0xa40
[  232.105531][ T5584]  __se_sys_mount+0x2d6/0x3c0
[  232.110216][ T5584]  ? __x64_sys_mount+0xc0/0xc0
[  232.114969][ T5584]  ? lockdep_hardirqs_on+0x94/0x140
[  232.120283][ T5584]  ? __x64_sys_mount+0x1c/0xc0
[  232.125255][ T5584]  do_syscall_64+0x4c/0xa0
[  232.129668][ T5584]  ? clear_bhb_loop+0x30/0x80
[  232.134333][ T5584]  ? clear_bhb_loop+0x30/0x80
[  232.139024][ T5584]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.144910][ T5584] RIP: 0033:0x7fdf0ad9a34a
[  232.149525][ T5584] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.169272][ T5584] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.178001][ T5584] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  232.186197][ T5584] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  232.194345][ T5584] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  232.202896][ T5584] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  232.211109][ T5584] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  232.219103][ T5584]  </TASK>
[  232.223616][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.237245][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.593739][ T5586] loop1: detected capacity change from 0 to 32768
[  232.652036][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.660440][ T5586] CPU: 1 PID: 5586 Comm: syz.1.184 Not tainted syzkaller #0
[  232.667839][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.678107][ T5586] Call Trace:
[  232.681479][ T5586]  <TASK>
[  232.684421][ T5586]  dump_stack_lvl+0x168/0x230
[  232.689141][ T5586]  ? show_regs_print_info+0x20/0x20
[  232.694561][ T5586]  ? load_image+0x3b0/0x3b0
[  232.699380][ T5586]  sysfs_create_dir_ns+0x252/0x280
[  232.704693][ T5586]  ? __lock_acquire+0x7c60/0x7c60
[  232.709735][ T5586]  ? sysfs_warn_dup+0xa0/0xa0
[  232.714430][ T5586]  ? do_raw_spin_unlock+0x11d/0x230
[  232.719653][ T5586]  kobject_add_internal+0x662/0xd00
[  232.725138][ T5586]  kobject_init_and_add+0x122/0x190
[  232.730430][ T5586]  ? lockdep_softirqs_off+0x420/0x420
[  232.735804][ T5586]  ? kobject_add+0x210/0x210
[  232.740496][ T5586]  ? __init_swait_queue_head+0xa5/0x150
[  232.746028][ T5586]  gfs2_sys_fs_add+0x234/0x480
[  232.750953][ T5586]  ? gfs2_recover_set+0x240/0x240
[  232.755954][ T5586]  ? snprintf+0xd7/0x120
[  232.760186][ T5586]  ? __free_pages+0x95/0x1a0
[  232.764774][ T5586]  ? vscnprintf+0x80/0x80
[  232.769098][ T5586]  gfs2_fill_super+0x128d/0x1f50
[  232.774043][ T5586]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.779133][ T5586]  ? preempt_count_add+0x8d/0x190
[  232.784333][ T5586]  ? sb_set_blocksize+0xa5/0xe0
[  232.789172][ T5586]  get_tree_bdev+0x3f1/0x610
[  232.793749][ T5586]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.798849][ T5586]  gfs2_get_tree+0x4d/0x1e0
[  232.803359][ T5586]  vfs_get_tree+0x88/0x270
[  232.807787][ T5586]  do_new_mount+0x24a/0xa40
[  232.812275][ T5586]  __se_sys_mount+0x2d6/0x3c0
[  232.816949][ T5586]  ? __x64_sys_mount+0xc0/0xc0
[  232.821698][ T5586]  ? lockdep_hardirqs_on+0x94/0x140
[  232.826883][ T5586]  ? __x64_sys_mount+0x1c/0xc0
[  232.831671][ T5586]  do_syscall_64+0x4c/0xa0
[  232.836165][ T5586]  ? clear_bhb_loop+0x30/0x80
[  232.840948][ T5586]  ? clear_bhb_loop+0x30/0x80
[  232.846348][ T5586]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.852251][ T5586] RIP: 0033:0x7fdf0ad9a34a
[  232.856675][ T5586] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.876476][ T5586] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.885138][ T5586] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  232.893188][ T5586] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  232.901149][ T5586] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  232.909315][ T5586] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  232.917361][ T5586] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  232.925430][ T5586]  </TASK>
[  232.936494][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.950061][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.271096][ T5588] loop1: detected capacity change from 0 to 32768
[  233.347319][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.355644][ T5588] CPU: 1 PID: 5588 Comm: syz.1.185 Not tainted syzkaller #0
[  233.363205][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.373706][ T5588] Call Trace:
[  233.377071][ T5588]  <TASK>
[  233.380012][ T5588]  dump_stack_lvl+0x168/0x230
[  233.384865][ T5588]  ? show_regs_print_info+0x20/0x20
[  233.390184][ T5588]  ? load_image+0x3b0/0x3b0
[  233.394804][ T5588]  sysfs_create_dir_ns+0x252/0x280
[  233.399938][ T5588]  ? __lock_acquire+0x7c60/0x7c60
[  233.404980][ T5588]  ? sysfs_warn_dup+0xa0/0xa0
[  233.409678][ T5588]  ? do_raw_spin_unlock+0x11d/0x230
[  233.415174][ T5588]  kobject_add_internal+0x662/0xd00
[  233.420392][ T5588]  kobject_init_and_add+0x122/0x190
[  233.425671][ T5588]  ? lockdep_softirqs_off+0x420/0x420
[  233.431029][ T5588]  ? kobject_add+0x210/0x210
[  233.435699][ T5588]  ? __init_swait_queue_head+0xa5/0x150
[  233.441232][ T5588]  gfs2_sys_fs_add+0x234/0x480
[  233.446068][ T5588]  ? gfs2_recover_set+0x240/0x240
[  233.451174][ T5588]  ? snprintf+0xd7/0x120
[  233.455487][ T5588]  ? __free_pages+0x95/0x1a0
[  233.460095][ T5588]  ? vscnprintf+0x80/0x80
[  233.464517][ T5588]  gfs2_fill_super+0x128d/0x1f50
[  233.469543][ T5588]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.474836][ T5588]  ? preempt_count_add+0x8d/0x190
[  233.480045][ T5588]  ? sb_set_blocksize+0xa5/0xe0
[  233.484894][ T5588]  get_tree_bdev+0x3f1/0x610
[  233.489647][ T5588]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.494665][ T5588]  gfs2_get_tree+0x4d/0x1e0
[  233.499163][ T5588]  vfs_get_tree+0x88/0x270
[  233.503662][ T5588]  do_new_mount+0x24a/0xa40
[  233.508154][ T5588]  __se_sys_mount+0x2d6/0x3c0
[  233.512837][ T5588]  ? __x64_sys_mount+0xc0/0xc0
[  233.517597][ T5588]  ? lockdep_hardirqs_on+0x94/0x140
[  233.522809][ T5588]  ? __x64_sys_mount+0x1c/0xc0
[  233.527604][ T5588]  do_syscall_64+0x4c/0xa0
[  233.532121][ T5588]  ? clear_bhb_loop+0x30/0x80
[  233.536818][ T5588]  ? clear_bhb_loop+0x30/0x80
[  233.541663][ T5588]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.547641][ T5588] RIP: 0033:0x7fdf0ad9a34a
[  233.552045][ T5588] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.571820][ T5588] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.580224][ T5588] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  233.588443][ T5588] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  233.596496][ T5588] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  233.604456][ T5588] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  233.612416][ T5588] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  233.620596][ T5588]  </TASK>
[  233.624874][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.638184][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.986394][ T5590] loop1: detected capacity change from 0 to 32768
[  234.089284][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.096964][ T5590] CPU: 0 PID: 5590 Comm: syz.1.186 Not tainted syzkaller #0
[  234.104365][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.114530][ T5590] Call Trace:
[  234.117827][ T5590]  <TASK>
[  234.120775][ T5590]  dump_stack_lvl+0x168/0x230
[  234.125472][ T5590]  ? show_regs_print_info+0x20/0x20
[  234.130779][ T5590]  ? load_image+0x3b0/0x3b0
[  234.135303][ T5590]  sysfs_create_dir_ns+0x252/0x280
[  234.140415][ T5590]  ? __lock_acquire+0x7c60/0x7c60
[  234.145547][ T5590]  ? sysfs_warn_dup+0xa0/0xa0
[  234.150229][ T5590]  ? do_raw_spin_unlock+0x11d/0x230
[  234.155414][ T5590]  kobject_add_internal+0x662/0xd00
[  234.160626][ T5590]  kobject_init_and_add+0x122/0x190
[  234.165895][ T5590]  ? lockdep_softirqs_off+0x420/0x420
[  234.171929][ T5590]  ? kobject_add+0x210/0x210
[  234.176692][ T5590]  ? __init_swait_queue_head+0xa5/0x150
[  234.182356][ T5590]  gfs2_sys_fs_add+0x234/0x480
[  234.187216][ T5590]  ? gfs2_recover_set+0x240/0x240
[  234.192555][ T5590]  ? snprintf+0xd7/0x120
[  234.197152][ T5590]  ? __free_pages+0x95/0x1a0
[  234.201941][ T5590]  ? vscnprintf+0x80/0x80
[  234.206280][ T5590]  gfs2_fill_super+0x128d/0x1f50
[  234.211222][ T5590]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.216248][ T5590]  ? preempt_count_add+0x8d/0x190
[  234.221361][ T5590]  ? sb_set_blocksize+0xa5/0xe0
[  234.226322][ T5590]  get_tree_bdev+0x3f1/0x610
[  234.230904][ T5590]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.235916][ T5590]  gfs2_get_tree+0x4d/0x1e0
[  234.240415][ T5590]  vfs_get_tree+0x88/0x270
[  234.244819][ T5590]  do_new_mount+0x24a/0xa40
[  234.249317][ T5590]  __se_sys_mount+0x2d6/0x3c0
[  234.254113][ T5590]  ? __x64_sys_mount+0xc0/0xc0
[  234.258902][ T5590]  ? lockdep_hardirqs_on+0x94/0x140
[  234.264187][ T5590]  ? __x64_sys_mount+0x1c/0xc0
[  234.269178][ T5590]  do_syscall_64+0x4c/0xa0
[  234.273589][ T5590]  ? clear_bhb_loop+0x30/0x80
[  234.278370][ T5590]  ? clear_bhb_loop+0x30/0x80
[  234.283151][ T5590]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.289190][ T5590] RIP: 0033:0x7fdf0ad9a34a
[  234.293677][ T5590] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.313449][ T5590] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.321852][ T5590] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  234.329809][ T5590] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  234.337854][ T5590] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  234.345939][ T5590] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  234.354519][ T5590] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  234.362578][ T5590]  </TASK>
[  234.366912][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.380387][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:17:26 executed programs: 172
[  234.705982][ T5592] loop1: detected capacity change from 0 to 32768
[  234.772875][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.781190][ T5592] CPU: 0 PID: 5592 Comm: syz.1.187 Not tainted syzkaller #0
[  234.788586][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.798747][ T5592] Call Trace:
[  234.802039][ T5592]  <TASK>
[  234.804972][ T5592]  dump_stack_lvl+0x168/0x230
[  234.809924][ T5592]  ? show_regs_print_info+0x20/0x20
[  234.815229][ T5592]  ? load_image+0x3b0/0x3b0
[  234.819757][ T5592]  sysfs_create_dir_ns+0x252/0x280
[  234.824970][ T5592]  ? __lock_acquire+0x7c60/0x7c60
[  234.830101][ T5592]  ? sysfs_warn_dup+0xa0/0xa0
[  234.835100][ T5592]  ? do_raw_spin_unlock+0x11d/0x230
[  234.840331][ T5592]  kobject_add_internal+0x662/0xd00
[  234.845565][ T5592]  kobject_init_and_add+0x122/0x190
[  234.850917][ T5592]  ? lockdep_softirqs_off+0x420/0x420
[  234.857333][ T5592]  ? kobject_add+0x210/0x210
[  234.862027][ T5592]  ? __init_swait_queue_head+0xa5/0x150
[  234.867576][ T5592]  gfs2_sys_fs_add+0x234/0x480
[  234.872334][ T5592]  ? gfs2_recover_set+0x240/0x240
[  234.877437][ T5592]  ? snprintf+0xd7/0x120
[  234.881799][ T5592]  ? __free_pages+0x95/0x1a0
[  234.886559][ T5592]  ? vscnprintf+0x80/0x80
[  234.891181][ T5592]  gfs2_fill_super+0x128d/0x1f50
[  234.896480][ T5592]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.901535][ T5592]  ? preempt_count_add+0x8d/0x190
[  234.906566][ T5592]  ? sb_set_blocksize+0xa5/0xe0
[  234.911438][ T5592]  get_tree_bdev+0x3f1/0x610
[  234.916026][ T5592]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.921152][ T5592]  gfs2_get_tree+0x4d/0x1e0
[  234.925658][ T5592]  vfs_get_tree+0x88/0x270
[  234.930082][ T5592]  do_new_mount+0x24a/0xa40
[  234.934576][ T5592]  __se_sys_mount+0x2d6/0x3c0
[  234.939643][ T5592]  ? __x64_sys_mount+0xc0/0xc0
[  234.944448][ T5592]  ? lockdep_hardirqs_on+0x94/0x140
[  234.949815][ T5592]  ? __x64_sys_mount+0x1c/0xc0
[  234.954908][ T5592]  do_syscall_64+0x4c/0xa0
[  234.959358][ T5592]  ? clear_bhb_loop+0x30/0x80
[  234.964113][ T5592]  ? clear_bhb_loop+0x30/0x80
[  234.969165][ T5592]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.975157][ T5592] RIP: 0033:0x7fdf0ad9a34a
[  234.979572][ T5592] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.000128][ T5592] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.008647][ T5592] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  235.016792][ T5592] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  235.024943][ T5592] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  235.032901][ T5592] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  235.040867][ T5592] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  235.048857][ T5592]  </TASK>
[  235.053484][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.066815][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.356857][ T5594] loop1: detected capacity change from 0 to 32768
[  235.469257][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.477873][ T5594] CPU: 0 PID: 5594 Comm: syz.1.188 Not tainted syzkaller #0
[  235.485409][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  235.495664][ T5594] Call Trace:
[  235.499051][ T5594]  <TASK>
[  235.501993][ T5594]  dump_stack_lvl+0x168/0x230
[  235.506706][ T5594]  ? show_regs_print_info+0x20/0x20
[  235.512101][ T5594]  ? load_image+0x3b0/0x3b0
[  235.516720][ T5594]  sysfs_create_dir_ns+0x252/0x280
[  235.521856][ T5594]  ? __lock_acquire+0x7c60/0x7c60
[  235.526906][ T5594]  ? sysfs_warn_dup+0xa0/0xa0
[  235.531578][ T5594]  ? do_raw_spin_unlock+0x11d/0x230
[  235.537032][ T5594]  kobject_add_internal+0x662/0xd00
[  235.542221][ T5594]  kobject_init_and_add+0x122/0x190
[  235.547399][ T5594]  ? lockdep_softirqs_off+0x420/0x420
[  235.552766][ T5594]  ? kobject_add+0x210/0x210
[  235.557342][ T5594]  ? __init_swait_queue_head+0xa5/0x150
[  235.563104][ T5594]  gfs2_sys_fs_add+0x234/0x480
[  235.567953][ T5594]  ? gfs2_recover_set+0x240/0x240
[  235.573177][ T5594]  ? snprintf+0xd7/0x120
[  235.577430][ T5594]  ? __free_pages+0x95/0x1a0
[  235.582023][ T5594]  ? vscnprintf+0x80/0x80
[  235.586704][ T5594]  gfs2_fill_super+0x128d/0x1f50
[  235.591726][ T5594]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.596862][ T5594]  ? preempt_count_add+0x8d/0x190
[  235.602020][ T5594]  ? sb_set_blocksize+0xa5/0xe0
[  235.606868][ T5594]  get_tree_bdev+0x3f1/0x610
[  235.611458][ T5594]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.616472][ T5594]  gfs2_get_tree+0x4d/0x1e0
[  235.621181][ T5594]  vfs_get_tree+0x88/0x270
[  235.625597][ T5594]  do_new_mount+0x24a/0xa40
[  235.630305][ T5594]  __se_sys_mount+0x2d6/0x3c0
[  235.634980][ T5594]  ? __x64_sys_mount+0xc0/0xc0
[  235.639733][ T5594]  ? lockdep_hardirqs_on+0x94/0x140
[  235.644931][ T5594]  ? __x64_sys_mount+0x1c/0xc0
[  235.649738][ T5594]  do_syscall_64+0x4c/0xa0
[  235.654159][ T5594]  ? clear_bhb_loop+0x30/0x80
[  235.658920][ T5594]  ? clear_bhb_loop+0x30/0x80
[  235.663859][ T5594]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.669877][ T5594] RIP: 0033:0x7fdf0ad9a34a
[  235.674442][ T5594] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.694330][ T5594] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.702750][ T5594] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  235.710806][ T5594] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  235.718779][ T5594] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  235.726890][ T5594] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  235.735027][ T5594] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  235.743107][ T5594]  </TASK>
[  235.747294][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.760748][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.082694][ T5596] loop1: detected capacity change from 0 to 32768
[  236.167295][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.174733][ T5596] CPU: 0 PID: 5596 Comm: syz.1.189 Not tainted syzkaller #0
[  236.182115][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.192530][ T5596] Call Trace:
[  236.195820][ T5596]  <TASK>
[  236.198760][ T5596]  dump_stack_lvl+0x168/0x230
[  236.203457][ T5596]  ? show_regs_print_info+0x20/0x20
[  236.208768][ T5596]  ? load_image+0x3b0/0x3b0
[  236.213329][ T5596]  sysfs_create_dir_ns+0x252/0x280
[  236.218450][ T5596]  ? __lock_acquire+0x7c60/0x7c60
[  236.223596][ T5596]  ? sysfs_warn_dup+0xa0/0xa0
[  236.228285][ T5596]  ? do_raw_spin_unlock+0x11d/0x230
[  236.233625][ T5596]  kobject_add_internal+0x662/0xd00
[  236.239032][ T5596]  kobject_init_and_add+0x122/0x190
[  236.244351][ T5596]  ? lockdep_softirqs_off+0x420/0x420
[  236.249727][ T5596]  ? kobject_add+0x210/0x210
[  236.254614][ T5596]  ? __init_swait_queue_head+0xa5/0x150
[  236.260524][ T5596]  gfs2_sys_fs_add+0x234/0x480
[  236.265921][ T5596]  ? gfs2_recover_set+0x240/0x240
[  236.271465][ T5596]  ? snprintf+0xd7/0x120
[  236.275907][ T5596]  ? __free_pages+0x95/0x1a0
[  236.280594][ T5596]  ? vscnprintf+0x80/0x80
[  236.285008][ T5596]  gfs2_fill_super+0x128d/0x1f50
[  236.289942][ T5596]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.295218][ T5596]  ? preempt_count_add+0x8d/0x190
[  236.300509][ T5596]  ? sb_set_blocksize+0xa5/0xe0
[  236.305437][ T5596]  get_tree_bdev+0x3f1/0x610
[  236.310049][ T5596]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.315082][ T5596]  gfs2_get_tree+0x4d/0x1e0
[  236.319880][ T5596]  vfs_get_tree+0x88/0x270
[  236.324293][ T5596]  do_new_mount+0x24a/0xa40
[  236.329319][ T5596]  __se_sys_mount+0x2d6/0x3c0
[  236.334178][ T5596]  ? __x64_sys_mount+0xc0/0xc0
[  236.339986][ T5596]  ? lockdep_hardirqs_on+0x94/0x140
[  236.345372][ T5596]  ? __x64_sys_mount+0x1c/0xc0
[  236.350987][ T5596]  do_syscall_64+0x4c/0xa0
[  236.355875][ T5596]  ? clear_bhb_loop+0x30/0x80
[  236.360746][ T5596]  ? clear_bhb_loop+0x30/0x80
[  236.365426][ T5596]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.371688][ T5596] RIP: 0033:0x7fdf0ad9a34a
[  236.376310][ T5596] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.376330][ T5596] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.405237][ T5596] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  236.413378][ T5596] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  236.421834][ T5596] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  236.430192][ T5596] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  236.438336][ T5596] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  236.446959][ T5596]  </TASK>
[  236.451340][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.465784][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.782211][ T5598] loop1: detected capacity change from 0 to 32768
[  236.836285][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.844379][ T5598] CPU: 0 PID: 5598 Comm: syz.1.190 Not tainted syzkaller #0
[  236.851687][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.861845][ T5598] Call Trace:
[  236.865222][ T5598]  <TASK>
[  236.868162][ T5598]  dump_stack_lvl+0x168/0x230
[  236.872948][ T5598]  ? show_regs_print_info+0x20/0x20
[  236.878254][ T5598]  ? load_image+0x3b0/0x3b0
[  236.882924][ T5598]  sysfs_create_dir_ns+0x252/0x280
[  236.888052][ T5598]  ? __lock_acquire+0x7c60/0x7c60
[  236.893353][ T5598]  ? sysfs_warn_dup+0xa0/0xa0
[  236.898319][ T5598]  ? do_raw_spin_unlock+0x11d/0x230
[  236.904082][ T5598]  kobject_add_internal+0x662/0xd00
[  236.909603][ T5598]  kobject_init_and_add+0x122/0x190
[  236.915003][ T5598]  ? lockdep_softirqs_off+0x420/0x420
[  236.920555][ T5598]  ? kobject_add+0x210/0x210
[  236.925155][ T5598]  ? __init_swait_queue_head+0xa5/0x150
[  236.930719][ T5598]  gfs2_sys_fs_add+0x234/0x480
[  236.935716][ T5598]  ? gfs2_recover_set+0x240/0x240
[  236.941101][ T5598]  ? snprintf+0xd7/0x120
[  236.945367][ T5598]  ? __free_pages+0x95/0x1a0
[  236.950075][ T5598]  ? vscnprintf+0x80/0x80
[  236.954409][ T5598]  gfs2_fill_super+0x128d/0x1f50
[  236.959642][ T5598]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.964893][ T5598]  ? preempt_count_add+0x8d/0x190
[  236.970662][ T5598]  ? sb_set_blocksize+0xa5/0xe0
[  236.976162][ T5598]  get_tree_bdev+0x3f1/0x610
[  236.980941][ T5598]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.986103][ T5598]  gfs2_get_tree+0x4d/0x1e0
[  236.990715][ T5598]  vfs_get_tree+0x88/0x270
[  236.995477][ T5598]  do_new_mount+0x24a/0xa40
[  236.999987][ T5598]  __se_sys_mount+0x2d6/0x3c0
[  237.004776][ T5598]  ? __x64_sys_mount+0xc0/0xc0
[  237.009700][ T5598]  ? lockdep_hardirqs_on+0x94/0x140
[  237.015237][ T5598]  ? __x64_sys_mount+0x1c/0xc0
[  237.020088][ T5598]  do_syscall_64+0x4c/0xa0
[  237.024517][ T5598]  ? clear_bhb_loop+0x30/0x80
[  237.029187][ T5598]  ? clear_bhb_loop+0x30/0x80
[  237.033872][ T5598]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.040103][ T5598] RIP: 0033:0x7fdf0ad9a34a
[  237.044595][ T5598] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.064277][ T5598] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.072710][ T5598] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  237.080863][ T5598] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  237.089345][ T5598] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  237.097584][ T5598] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  237.105564][ T5598] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  237.113541][ T5598]  </TASK>
[  237.118361][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.131942][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.474154][ T5600] loop1: detected capacity change from 0 to 32768
[  237.569008][ T5600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.577033][ T5600] CPU: 1 PID: 5600 Comm: syz.1.191 Not tainted syzkaller #0
[  237.584340][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  237.594528][ T5600] Call Trace:
[  237.597960][ T5600]  <TASK>
[  237.600903][ T5600]  dump_stack_lvl+0x168/0x230
[  237.605601][ T5600]  ? show_regs_print_info+0x20/0x20
[  237.610909][ T5600]  ? load_image+0x3b0/0x3b0
[  237.615448][ T5600]  sysfs_create_dir_ns+0x252/0x280
[  237.620577][ T5600]  ? __lock_acquire+0x7c60/0x7c60
[  237.625616][ T5600]  ? sysfs_warn_dup+0xa0/0xa0
[  237.630292][ T5600]  ? do_raw_spin_unlock+0x11d/0x230
[  237.635484][ T5600]  kobject_add_internal+0x662/0xd00
[  237.640781][ T5600]  kobject_init_and_add+0x122/0x190
[  237.646021][ T5600]  ? lockdep_softirqs_off+0x420/0x420
[  237.651478][ T5600]  ? kobject_add+0x210/0x210
[  237.656071][ T5600]  ? __init_swait_queue_head+0xa5/0x150
[  237.661680][ T5600]  gfs2_sys_fs_add+0x234/0x480
[  237.666720][ T5600]  ? gfs2_recover_set+0x240/0x240
[  237.671884][ T5600]  ? snprintf+0xd7/0x120
[  237.676140][ T5600]  ? __free_pages+0x95/0x1a0
[  237.680726][ T5600]  ? vscnprintf+0x80/0x80
[  237.685272][ T5600]  gfs2_fill_super+0x128d/0x1f50
[  237.690296][ T5600]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.695527][ T5600]  ? preempt_count_add+0x8d/0x190
[  237.700574][ T5600]  ? sb_set_blocksize+0xa5/0xe0
[  237.705701][ T5600]  get_tree_bdev+0x3f1/0x610
[  237.710428][ T5600]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.715686][ T5600]  gfs2_get_tree+0x4d/0x1e0
[  237.720281][ T5600]  vfs_get_tree+0x88/0x270
[  237.724694][ T5600]  do_new_mount+0x24a/0xa40
[  237.729196][ T5600]  __se_sys_mount+0x2d6/0x3c0
[  237.733865][ T5600]  ? __x64_sys_mount+0xc0/0xc0
[  237.738755][ T5600]  ? lockdep_hardirqs_on+0x94/0x140
[  237.743959][ T5600]  ? __x64_sys_mount+0x1c/0xc0
[  237.748800][ T5600]  do_syscall_64+0x4c/0xa0
[  237.753204][ T5600]  ? clear_bhb_loop+0x30/0x80
[  237.757867][ T5600]  ? clear_bhb_loop+0x30/0x80
[  237.762531][ T5600]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.768673][ T5600] RIP: 0033:0x7fdf0ad9a34a
[  237.773125][ T5600] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.792803][ T5600] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.801391][ T5600] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  237.809464][ T5600] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  237.817430][ T5600] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  237.825395][ T5600] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  237.833458][ T5600] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  237.841443][ T5600]  </TASK>
[  237.849310][ T5600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.862726][ T5600] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.189205][ T5602] loop1: detected capacity change from 0 to 32768
[  238.208173][ T5602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.215999][ T5602] CPU: 1 PID: 5602 Comm: syz.1.192 Not tainted syzkaller #0
[  238.223300][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  238.233360][ T5602] Call Trace:
[  238.236646][ T5602]  <TASK>
[  238.239578][ T5602]  dump_stack_lvl+0x168/0x230
[  238.244270][ T5602]  ? show_regs_print_info+0x20/0x20
[  238.249761][ T5602]  ? load_image+0x3b0/0x3b0
[  238.254285][ T5602]  sysfs_create_dir_ns+0x252/0x280
[  238.259406][ T5602]  ? __lock_acquire+0x7c60/0x7c60
[  238.264441][ T5602]  ? sysfs_warn_dup+0xa0/0xa0
[  238.269131][ T5602]  ? do_raw_spin_unlock+0x11d/0x230
[  238.274451][ T5602]  kobject_add_internal+0x662/0xd00
[  238.279689][ T5602]  kobject_init_and_add+0x122/0x190
[  238.284902][ T5602]  ? lockdep_softirqs_off+0x420/0x420
[  238.290277][ T5602]  ? kobject_add+0x210/0x210
[  238.294867][ T5602]  ? __init_swait_queue_head+0xa5/0x150
[  238.300559][ T5602]  gfs2_sys_fs_add+0x234/0x480
[  238.305523][ T5602]  ? gfs2_recover_set+0x240/0x240
[  238.310546][ T5602]  ? snprintf+0xd7/0x120
[  238.314777][ T5602]  ? __free_pages+0x95/0x1a0
[  238.319352][ T5602]  ? vscnprintf+0x80/0x80
[  238.323686][ T5602]  gfs2_fill_super+0x128d/0x1f50
[  238.328780][ T5602]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.333804][ T5602]  ? preempt_count_add+0x8d/0x190
[  238.338990][ T5602]  ? sb_set_blocksize+0xa5/0xe0
[  238.343839][ T5602]  get_tree_bdev+0x3f1/0x610
[  238.348596][ T5602]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.353699][ T5602]  gfs2_get_tree+0x4d/0x1e0
[  238.358206][ T5602]  vfs_get_tree+0x88/0x270
[  238.362746][ T5602]  do_new_mount+0x24a/0xa40
[  238.367277][ T5602]  __se_sys_mount+0x2d6/0x3c0
[  238.372054][ T5602]  ? __x64_sys_mount+0xc0/0xc0
[  238.376822][ T5602]  ? lockdep_hardirqs_on+0x94/0x140
[  238.382274][ T5602]  ? __x64_sys_mount+0x1c/0xc0
[  238.387123][ T5602]  do_syscall_64+0x4c/0xa0
[  238.391527][ T5602]  ? clear_bhb_loop+0x30/0x80
[  238.396193][ T5602]  ? clear_bhb_loop+0x30/0x80
[  238.400864][ T5602]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.407270][ T5602] RIP: 0033:0x7fdf0ad9a34a
[  238.411679][ T5602] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.431791][ T5602] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.440322][ T5602] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  238.448397][ T5602] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  238.456461][ T5602] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  238.464438][ T5602] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  238.472487][ T5602] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  238.480461][ T5602]  </TASK>
[  238.484765][ T5602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.498005][ T5602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.824273][ T5604] loop1: detected capacity change from 0 to 32768
[  238.894145][ T5604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.901627][ T5604] CPU: 0 PID: 5604 Comm: syz.1.193 Not tainted syzkaller #0
[  238.908927][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  238.919790][ T5604] Call Trace:
[  238.923076][ T5604]  <TASK>
[  238.926011][ T5604]  dump_stack_lvl+0x168/0x230
[  238.930765][ T5604]  ? show_regs_print_info+0x20/0x20
[  238.935987][ T5604]  ? load_image+0x3b0/0x3b0
[  238.940700][ T5604]  sysfs_create_dir_ns+0x252/0x280
[  238.945826][ T5604]  ? __lock_acquire+0x7c60/0x7c60
[  238.951068][ T5604]  ? sysfs_warn_dup+0xa0/0xa0
[  238.955868][ T5604]  ? do_raw_spin_unlock+0x11d/0x230
[  238.961080][ T5604]  kobject_add_internal+0x662/0xd00
[  238.966381][ T5604]  kobject_init_and_add+0x122/0x190
[  238.971581][ T5604]  ? lockdep_softirqs_off+0x420/0x420
[  238.977072][ T5604]  ? kobject_add+0x210/0x210
[  238.981649][ T5604]  ? __init_swait_queue_head+0xa5/0x150
[  238.987180][ T5604]  gfs2_sys_fs_add+0x234/0x480
[  238.992109][ T5604]  ? gfs2_recover_set+0x240/0x240
[  238.997119][ T5604]  ? snprintf+0xd7/0x120
[  239.001452][ T5604]  ? __free_pages+0x95/0x1a0
[  239.006034][ T5604]  ? vscnprintf+0x80/0x80
[  239.010367][ T5604]  gfs2_fill_super+0x128d/0x1f50
[  239.015296][ T5604]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.020299][ T5604]  ? preempt_count_add+0x8d/0x190
[  239.025311][ T5604]  ? sb_set_blocksize+0xa5/0xe0
[  239.030283][ T5604]  get_tree_bdev+0x3f1/0x610
[  239.034872][ T5604]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.039895][ T5604]  gfs2_get_tree+0x4d/0x1e0
[  239.044409][ T5604]  vfs_get_tree+0x88/0x270
[  239.048812][ T5604]  do_new_mount+0x24a/0xa40
[  239.053340][ T5604]  __se_sys_mount+0x2d6/0x3c0
[  239.058133][ T5604]  ? __x64_sys_mount+0xc0/0xc0
[  239.062900][ T5604]  ? lockdep_hardirqs_on+0x94/0x140
[  239.068177][ T5604]  ? __x64_sys_mount+0x1c/0xc0
[  239.072930][ T5604]  do_syscall_64+0x4c/0xa0
[  239.077337][ T5604]  ? clear_bhb_loop+0x30/0x80
[  239.081998][ T5604]  ? clear_bhb_loop+0x30/0x80
[  239.086757][ T5604]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.092655][ T5604] RIP: 0033:0x7fdf0ad9a34a
[  239.097161][ T5604] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.117139][ T5604] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.125552][ T5604] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  239.133704][ T5604] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  239.141683][ T5604] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  239.149644][ T5604] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  239.157703][ T5604] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  239.165699][ T5604]  </TASK>
[  239.170161][ T5604] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.183340][ T5604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.503966][ T5606] loop1: detected capacity change from 0 to 32768
[  239.556793][ T5606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.564460][ T5606] CPU: 1 PID: 5606 Comm: syz.1.194 Not tainted syzkaller #0
[  239.571782][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  239.581861][ T5606] Call Trace:
[  239.585146][ T5606]  <TASK>
[  239.588074][ T5606]  dump_stack_lvl+0x168/0x230
[  239.592775][ T5606]  ? show_regs_print_info+0x20/0x20
[  239.598082][ T5606]  ? load_image+0x3b0/0x3b0
[  239.602703][ T5606]  sysfs_create_dir_ns+0x252/0x280
[  239.607866][ T5606]  ? __lock_acquire+0x7c60/0x7c60
[  239.612917][ T5606]  ? sysfs_warn_dup+0xa0/0xa0
[  239.617622][ T5606]  ? do_raw_spin_unlock+0x11d/0x230
[  239.622861][ T5606]  kobject_add_internal+0x662/0xd00
[  239.628132][ T5606]  kobject_init_and_add+0x122/0x190
[  239.633434][ T5606]  ? lockdep_softirqs_off+0x420/0x420
[  239.638948][ T5606]  ? kobject_add+0x210/0x210
[  239.643589][ T5606]  ? __init_swait_queue_head+0xa5/0x150
[  239.649123][ T5606]  gfs2_sys_fs_add+0x234/0x480
[  239.653889][ T5606]  ? gfs2_recover_set+0x240/0x240
[  239.658980][ T5606]  ? snprintf+0xd7/0x120
[  239.663605][ T5606]  ? __free_pages+0x95/0x1a0
[  239.668207][ T5606]  ? vscnprintf+0x80/0x80
[  239.672547][ T5606]  gfs2_fill_super+0x128d/0x1f50
[  239.677557][ T5606]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.682681][ T5606]  ? preempt_count_add+0x8d/0x190
[  239.687709][ T5606]  ? sb_set_blocksize+0xa5/0xe0
[  239.692644][ T5606]  get_tree_bdev+0x3f1/0x610
[  239.697309][ T5606]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.702425][ T5606]  gfs2_get_tree+0x4d/0x1e0
[  239.707062][ T5606]  vfs_get_tree+0x88/0x270
[  239.711667][ T5606]  do_new_mount+0x24a/0xa40
[  239.716176][ T5606]  __se_sys_mount+0x2d6/0x3c0
[  239.721020][ T5606]  ? __x64_sys_mount+0xc0/0xc0
[  239.725838][ T5606]  ? lockdep_hardirqs_on+0x94/0x140
[  239.731211][ T5606]  ? __x64_sys_mount+0x1c/0xc0
[  239.736171][ T5606]  do_syscall_64+0x4c/0xa0
[  239.740686][ T5606]  ? clear_bhb_loop+0x30/0x80
[  239.745981][ T5606]  ? clear_bhb_loop+0x30/0x80
[  239.750649][ T5606]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.756834][ T5606] RIP: 0033:0x7fdf0ad9a34a
[  239.761247][ T5606] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.780846][ T5606] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.789368][ T5606] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  239.797334][ T5606] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  239.805320][ T5606] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  239.813291][ T5606] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  239.821757][ T5606] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  239.830333][ T5606]  </TASK>
[  239.834841][ T5606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.848140][ T5606] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:17:31 executed programs: 180
[  240.170089][ T5608] loop1: detected capacity change from 0 to 32768
[  240.218104][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.227577][ T5608] CPU: 1 PID: 5608 Comm: syz.1.195 Not tainted syzkaller #0
[  240.235072][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.245231][ T5608] Call Trace:
[  240.248551][ T5608]  <TASK>
[  240.251487][ T5608]  dump_stack_lvl+0x168/0x230
[  240.256391][ T5608]  ? show_regs_print_info+0x20/0x20
[  240.261604][ T5608]  ? load_image+0x3b0/0x3b0
[  240.266140][ T5608]  sysfs_create_dir_ns+0x252/0x280
[  240.271444][ T5608]  ? __lock_acquire+0x7c60/0x7c60
[  240.276484][ T5608]  ? sysfs_warn_dup+0xa0/0xa0
[  240.281188][ T5608]  ? do_raw_spin_unlock+0x11d/0x230
[  240.286402][ T5608]  kobject_add_internal+0x662/0xd00
[  240.291726][ T5608]  kobject_init_and_add+0x122/0x190
[  240.296940][ T5608]  ? lockdep_softirqs_off+0x420/0x420
[  240.302325][ T5608]  ? kobject_add+0x210/0x210
[  240.306910][ T5608]  ? __init_swait_queue_head+0xa5/0x150
[  240.312439][ T5608]  gfs2_sys_fs_add+0x234/0x480
[  240.317271][ T5608]  ? gfs2_recover_set+0x240/0x240
[  240.322368][ T5608]  ? snprintf+0xd7/0x120
[  240.326612][ T5608]  ? __free_pages+0x95/0x1a0
[  240.331185][ T5608]  ? vscnprintf+0x80/0x80
[  240.335519][ T5608]  gfs2_fill_super+0x128d/0x1f50
[  240.340457][ T5608]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.345465][ T5608]  ? preempt_count_add+0x8d/0x190
[  240.350564][ T5608]  ? sb_set_blocksize+0xa5/0xe0
[  240.355422][ T5608]  get_tree_bdev+0x3f1/0x610
[  240.360193][ T5608]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.365429][ T5608]  gfs2_get_tree+0x4d/0x1e0
[  240.369925][ T5608]  vfs_get_tree+0x88/0x270
[  240.374331][ T5608]  do_new_mount+0x24a/0xa40
[  240.378819][ T5608]  __se_sys_mount+0x2d6/0x3c0
[  240.383572][ T5608]  ? __x64_sys_mount+0xc0/0xc0
[  240.388416][ T5608]  ? lockdep_hardirqs_on+0x94/0x140
[  240.393613][ T5608]  ? __x64_sys_mount+0x1c/0xc0
[  240.398407][ T5608]  do_syscall_64+0x4c/0xa0
[  240.403227][ T5608]  ? clear_bhb_loop+0x30/0x80
[  240.407989][ T5608]  ? clear_bhb_loop+0x30/0x80
[  240.412764][ T5608]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.418643][ T5608] RIP: 0033:0x7fdf0ad9a34a
[  240.423116][ T5608] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.442918][ T5608] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.451329][ T5608] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  240.459378][ T5608] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  240.467340][ T5608] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  240.475687][ T5608] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  240.483658][ T5608] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  240.491735][ T5608]  </TASK>
[  240.496765][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.511128][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.833868][ T5610] loop1: detected capacity change from 0 to 32768
[  240.884491][ T5610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.892118][ T5610] CPU: 1 PID: 5610 Comm: syz.1.196 Not tainted syzkaller #0
[  240.899768][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.910119][ T5610] Call Trace:
[  240.913512][ T5610]  <TASK>
[  240.916447][ T5610]  dump_stack_lvl+0x168/0x230
[  240.921143][ T5610]  ? show_regs_print_info+0x20/0x20
[  240.926452][ T5610]  ? load_image+0x3b0/0x3b0
[  240.930984][ T5610]  sysfs_create_dir_ns+0x252/0x280
[  240.936108][ T5610]  ? __lock_acquire+0x7c60/0x7c60
[  240.941176][ T5610]  ? sysfs_warn_dup+0xa0/0xa0
[  240.945921][ T5610]  ? do_raw_spin_unlock+0x11d/0x230
[  240.951253][ T5610]  kobject_add_internal+0x662/0xd00
[  240.956471][ T5610]  kobject_init_and_add+0x122/0x190
[  240.961672][ T5610]  ? lockdep_softirqs_off+0x420/0x420
[  240.967048][ T5610]  ? kobject_add+0x210/0x210
[  240.971642][ T5610]  ? __init_swait_queue_head+0xa5/0x150
[  240.977176][ T5610]  gfs2_sys_fs_add+0x234/0x480
[  240.981927][ T5610]  ? gfs2_recover_set+0x240/0x240
[  240.987024][ T5610]  ? snprintf+0xd7/0x120
[  240.991265][ T5610]  ? __free_pages+0x95/0x1a0
[  240.995846][ T5610]  ? vscnprintf+0x80/0x80
[  241.000213][ T5610]  gfs2_fill_super+0x128d/0x1f50
[  241.005421][ T5610]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.010540][ T5610]  ? preempt_count_add+0x8d/0x190
[  241.015568][ T5610]  ? sb_set_blocksize+0xa5/0xe0
[  241.020408][ T5610]  get_tree_bdev+0x3f1/0x610
[  241.024982][ T5610]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.029996][ T5610]  gfs2_get_tree+0x4d/0x1e0
[  241.034496][ T5610]  vfs_get_tree+0x88/0x270
[  241.038902][ T5610]  do_new_mount+0x24a/0xa40
[  241.043598][ T5610]  __se_sys_mount+0x2d6/0x3c0
[  241.048265][ T5610]  ? __x64_sys_mount+0xc0/0xc0
[  241.053098][ T5610]  ? lockdep_hardirqs_on+0x94/0x140
[  241.058487][ T5610]  ? __x64_sys_mount+0x1c/0xc0
[  241.063243][ T5610]  do_syscall_64+0x4c/0xa0
[  241.067731][ T5610]  ? clear_bhb_loop+0x30/0x80
[  241.072487][ T5610]  ? clear_bhb_loop+0x30/0x80
[  241.077172][ T5610]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.083136][ T5610] RIP: 0033:0x7fdf0ad9a34a
[  241.087537][ T5610] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.107406][ T5610] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.115936][ T5610] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  241.124219][ T5610] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  241.132382][ T5610] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  241.140780][ T5610] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  241.148846][ T5610] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  241.156819][ T5610]  </TASK>
[  241.162114][ T5610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.175898][ T5610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.472199][ T5612] loop1: detected capacity change from 0 to 32768
[  241.547757][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.556816][ T5612] CPU: 1 PID: 5612 Comm: syz.1.197 Not tainted syzkaller #0
[  241.564124][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  241.574193][ T5612] Call Trace:
[  241.577486][ T5612]  <TASK>
[  241.580431][ T5612]  dump_stack_lvl+0x168/0x230
[  241.585228][ T5612]  ? show_regs_print_info+0x20/0x20
[  241.590720][ T5612]  ? load_image+0x3b0/0x3b0
[  241.595243][ T5612]  sysfs_create_dir_ns+0x252/0x280
[  241.600373][ T5612]  ? __lock_acquire+0x7c60/0x7c60
[  241.605396][ T5612]  ? sysfs_warn_dup+0xa0/0xa0
[  241.610070][ T5612]  ? do_raw_spin_unlock+0x11d/0x230
[  241.615426][ T5612]  kobject_add_internal+0x662/0xd00
[  241.620625][ T5612]  kobject_init_and_add+0x122/0x190
[  241.625954][ T5612]  ? lockdep_softirqs_off+0x420/0x420
[  241.631308][ T5612]  ? kobject_add+0x210/0x210
[  241.635967][ T5612]  ? __init_swait_queue_head+0xa5/0x150
[  241.641574][ T5612]  gfs2_sys_fs_add+0x234/0x480
[  241.646320][ T5612]  ? gfs2_recover_set+0x240/0x240
[  241.651330][ T5612]  ? snprintf+0xd7/0x120
[  241.655578][ T5612]  ? __free_pages+0x95/0x1a0
[  241.660164][ T5612]  ? vscnprintf+0x80/0x80
[  241.664558][ T5612]  gfs2_fill_super+0x128d/0x1f50
[  241.669590][ T5612]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.674765][ T5612]  ? preempt_count_add+0x8d/0x190
[  241.679893][ T5612]  ? sb_set_blocksize+0xa5/0xe0
[  241.684739][ T5612]  get_tree_bdev+0x3f1/0x610
[  241.689495][ T5612]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.694530][ T5612]  gfs2_get_tree+0x4d/0x1e0
[  241.699017][ T5612]  vfs_get_tree+0x88/0x270
[  241.703606][ T5612]  do_new_mount+0x24a/0xa40
[  241.708097][ T5612]  __se_sys_mount+0x2d6/0x3c0
[  241.712989][ T5612]  ? __x64_sys_mount+0xc0/0xc0
[  241.717839][ T5612]  ? lockdep_hardirqs_on+0x94/0x140
[  241.723039][ T5612]  ? __x64_sys_mount+0x1c/0xc0
[  241.727887][ T5612]  do_syscall_64+0x4c/0xa0
[  241.732410][ T5612]  ? clear_bhb_loop+0x30/0x80
[  241.737264][ T5612]  ? clear_bhb_loop+0x30/0x80
[  241.742221][ T5612]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.748111][ T5612] RIP: 0033:0x7fdf0ad9a34a
[  241.752516][ T5612] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.772868][ T5612] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.781359][ T5612] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  241.789414][ T5612] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  241.797459][ T5612] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  241.805637][ T5612] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  241.814052][ T5612] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  241.822025][ T5612]  </TASK>
[  241.826147][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.839564][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.143214][ T5614] loop1: detected capacity change from 0 to 32768
[  242.239213][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.247180][ T5614] CPU: 1 PID: 5614 Comm: syz.1.198 Not tainted syzkaller #0
[  242.254481][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.264723][ T5614] Call Trace:
[  242.268121][ T5614]  <TASK>
[  242.271063][ T5614]  dump_stack_lvl+0x168/0x230
[  242.275758][ T5614]  ? show_regs_print_info+0x20/0x20
[  242.280972][ T5614]  ? load_image+0x3b0/0x3b0
[  242.285593][ T5614]  sysfs_create_dir_ns+0x252/0x280
[  242.291002][ T5614]  ? __lock_acquire+0x7c60/0x7c60
[  242.296051][ T5614]  ? sysfs_warn_dup+0xa0/0xa0
[  242.300749][ T5614]  ? do_raw_spin_unlock+0x11d/0x230
[  242.306031][ T5614]  kobject_add_internal+0x662/0xd00
[  242.311434][ T5614]  kobject_init_and_add+0x122/0x190
[  242.316716][ T5614]  ? lockdep_softirqs_off+0x420/0x420
[  242.322096][ T5614]  ? kobject_add+0x210/0x210
[  242.326693][ T5614]  ? __init_swait_queue_head+0xa5/0x150
[  242.332401][ T5614]  gfs2_sys_fs_add+0x234/0x480
[  242.337151][ T5614]  ? gfs2_recover_set+0x240/0x240
[  242.342249][ T5614]  ? snprintf+0xd7/0x120
[  242.346680][ T5614]  ? __free_pages+0x95/0x1a0
[  242.351254][ T5614]  ? vscnprintf+0x80/0x80
[  242.355571][ T5614]  gfs2_fill_super+0x128d/0x1f50
[  242.360616][ T5614]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.365625][ T5614]  ? preempt_count_add+0x8d/0x190
[  242.370960][ T5614]  ? sb_set_blocksize+0xa5/0xe0
[  242.375805][ T5614]  get_tree_bdev+0x3f1/0x610
[  242.380756][ T5614]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.386125][ T5614]  gfs2_get_tree+0x4d/0x1e0
[  242.390654][ T5614]  vfs_get_tree+0x88/0x270
[  242.395076][ T5614]  do_new_mount+0x24a/0xa40
[  242.399697][ T5614]  __se_sys_mount+0x2d6/0x3c0
[  242.404364][ T5614]  ? __x64_sys_mount+0xc0/0xc0
[  242.409206][ T5614]  ? lockdep_hardirqs_on+0x94/0x140
[  242.414596][ T5614]  ? __x64_sys_mount+0x1c/0xc0
[  242.419597][ T5614]  do_syscall_64+0x4c/0xa0
[  242.424006][ T5614]  ? clear_bhb_loop+0x30/0x80
[  242.428699][ T5614]  ? clear_bhb_loop+0x30/0x80
[  242.433789][ T5614]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.440133][ T5614] RIP: 0033:0x7fdf0ad9a34a
[  242.444756][ T5614] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.464527][ T5614] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.473020][ T5614] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  242.481252][ T5614] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  242.489504][ T5614] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  242.497471][ T5614] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  242.505433][ T5614] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  242.513452][ T5614]  </TASK>
[  242.524609][ T5614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.538059][ T5614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.874754][ T5616] loop1: detected capacity change from 0 to 32768
[  242.884078][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.894533][ T5616] CPU: 0 PID: 5616 Comm: syz.1.199 Not tainted syzkaller #0
[  242.901839][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.911913][ T5616] Call Trace:
[  242.915344][ T5616]  <TASK>
[  242.918370][ T5616]  dump_stack_lvl+0x168/0x230
[  242.923069][ T5616]  ? show_regs_print_info+0x20/0x20
[  242.928307][ T5616]  ? load_image+0x3b0/0x3b0
[  242.933010][ T5616]  sysfs_create_dir_ns+0x252/0x280
[  242.938297][ T5616]  ? __lock_acquire+0x7c60/0x7c60
[  242.943312][ T5616]  ? sysfs_warn_dup+0xa0/0xa0
[  242.947979][ T5616]  ? do_raw_spin_unlock+0x11d/0x230
[  242.953161][ T5616]  kobject_add_internal+0x662/0xd00
[  242.958350][ T5616]  kobject_init_and_add+0x122/0x190
[  242.963620][ T5616]  ? lockdep_softirqs_off+0x420/0x420
[  242.968983][ T5616]  ? kobject_add+0x210/0x210
[  242.973555][ T5616]  ? __init_swait_queue_head+0xa5/0x150
[  242.979104][ T5616]  gfs2_sys_fs_add+0x234/0x480
[  242.983855][ T5616]  ? gfs2_recover_set+0x240/0x240
[  242.988868][ T5616]  ? snprintf+0xd7/0x120
[  242.993093][ T5616]  ? __free_pages+0x95/0x1a0
[  242.997679][ T5616]  ? vscnprintf+0x80/0x80
[  243.001992][ T5616]  gfs2_fill_super+0x128d/0x1f50
[  243.006921][ T5616]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.012289][ T5616]  ? preempt_count_add+0x8d/0x190
[  243.017318][ T5616]  ? sb_set_blocksize+0xa5/0xe0
[  243.022513][ T5616]  get_tree_bdev+0x3f1/0x610
[  243.027101][ T5616]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.032114][ T5616]  gfs2_get_tree+0x4d/0x1e0
[  243.037159][ T5616]  vfs_get_tree+0x88/0x270
[  243.041773][ T5616]  do_new_mount+0x24a/0xa40
[  243.046530][ T5616]  __se_sys_mount+0x2d6/0x3c0
[  243.051205][ T5616]  ? __x64_sys_mount+0xc0/0xc0
[  243.056044][ T5616]  ? lockdep_hardirqs_on+0x94/0x140
[  243.061238][ T5616]  ? __x64_sys_mount+0x1c/0xc0
[  243.066004][ T5616]  do_syscall_64+0x4c/0xa0
[  243.070423][ T5616]  ? clear_bhb_loop+0x30/0x80
[  243.075078][ T5616]  ? clear_bhb_loop+0x30/0x80
[  243.079872][ T5616]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.085945][ T5616] RIP: 0033:0x7fdf0ad9a34a
[  243.090355][ T5616] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.109952][ T5616] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.118539][ T5616] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  243.126677][ T5616] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  243.134717][ T5616] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  243.142759][ T5616] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  243.150820][ T5616] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  243.158874][ T5616]  </TASK>
[  243.163036][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.176632][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.505292][ T5618] loop1: detected capacity change from 0 to 32768
[  243.556214][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.563710][ T5618] CPU: 0 PID: 5618 Comm: syz.1.200 Not tainted syzkaller #0
[  243.571008][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  243.581158][ T5618] Call Trace:
[  243.584444][ T5618]  <TASK>
[  243.587396][ T5618]  dump_stack_lvl+0x168/0x230
[  243.592219][ T5618]  ? show_regs_print_info+0x20/0x20
[  243.597694][ T5618]  ? load_image+0x3b0/0x3b0
[  243.602218][ T5618]  sysfs_create_dir_ns+0x252/0x280
[  243.607344][ T5618]  ? __lock_acquire+0x7c60/0x7c60
[  243.612672][ T5618]  ? sysfs_warn_dup+0xa0/0xa0
[  243.617366][ T5618]  ? do_raw_spin_unlock+0x11d/0x230
[  243.622592][ T5618]  kobject_add_internal+0x662/0xd00
[  243.627937][ T5618]  kobject_init_and_add+0x122/0x190
[  243.633151][ T5618]  ? lockdep_softirqs_off+0x420/0x420
[  243.638584][ T5618]  ? kobject_add+0x210/0x210
[  243.643417][ T5618]  ? __init_swait_queue_head+0xa5/0x150
[  243.648958][ T5618]  gfs2_sys_fs_add+0x234/0x480
[  243.653718][ T5618]  ? gfs2_recover_set+0x240/0x240
[  243.658735][ T5618]  ? snprintf+0xd7/0x120
[  243.662979][ T5618]  ? __free_pages+0x95/0x1a0
[  243.667564][ T5618]  ? vscnprintf+0x80/0x80
[  243.672043][ T5618]  gfs2_fill_super+0x128d/0x1f50
[  243.677070][ T5618]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.682102][ T5618]  ? preempt_count_add+0x8d/0x190
[  243.687124][ T5618]  ? sb_set_blocksize+0xa5/0xe0
[  243.692115][ T5618]  get_tree_bdev+0x3f1/0x610
[  243.696691][ T5618]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.701834][ T5618]  gfs2_get_tree+0x4d/0x1e0
[  243.706339][ T5618]  vfs_get_tree+0x88/0x270
[  243.711076][ T5618]  do_new_mount+0x24a/0xa40
[  243.715594][ T5618]  __se_sys_mount+0x2d6/0x3c0
[  243.720421][ T5618]  ? __x64_sys_mount+0xc0/0xc0
[  243.725591][ T5618]  ? lockdep_hardirqs_on+0x94/0x140
[  243.731050][ T5618]  ? __x64_sys_mount+0x1c/0xc0
[  243.735999][ T5618]  do_syscall_64+0x4c/0xa0
[  243.740507][ T5618]  ? clear_bhb_loop+0x30/0x80
[  243.745180][ T5618]  ? clear_bhb_loop+0x30/0x80
[  243.749955][ T5618]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.756020][ T5618] RIP: 0033:0x7fdf0ad9a34a
[  243.760525][ T5618] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.780366][ T5618] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.788773][ T5618] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  243.796729][ T5618] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  243.804688][ T5618] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  243.813009][ T5618] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  243.821269][ T5618] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  243.829247][ T5618]  </TASK>
[  243.833409][ T5618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.846847][ T5618] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.177492][ T5620] loop1: detected capacity change from 0 to 32768
[  244.233053][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.243087][ T5620] CPU: 1 PID: 5620 Comm: syz.1.201 Not tainted syzkaller #0
[  244.250590][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  244.260657][ T5620] Call Trace:
[  244.263940][ T5620]  <TASK>
[  244.266877][ T5620]  dump_stack_lvl+0x168/0x230
[  244.271856][ T5620]  ? show_regs_print_info+0x20/0x20
[  244.277285][ T5620]  ? load_image+0x3b0/0x3b0
[  244.282164][ T5620]  sysfs_create_dir_ns+0x252/0x280
[  244.287423][ T5620]  ? __lock_acquire+0x7c60/0x7c60
[  244.292468][ T5620]  ? sysfs_warn_dup+0xa0/0xa0
[  244.297170][ T5620]  ? do_raw_spin_unlock+0x11d/0x230
[  244.302477][ T5620]  kobject_add_internal+0x662/0xd00
[  244.307836][ T5620]  kobject_init_and_add+0x122/0x190
[  244.313136][ T5620]  ? lockdep_softirqs_off+0x420/0x420
[  244.318691][ T5620]  ? kobject_add+0x210/0x210
[  244.323566][ T5620]  ? __init_swait_queue_head+0xa5/0x150
[  244.329106][ T5620]  gfs2_sys_fs_add+0x234/0x480
[  244.334075][ T5620]  ? gfs2_recover_set+0x240/0x240
[  244.339085][ T5620]  ? snprintf+0xd7/0x120
[  244.343476][ T5620]  ? __free_pages+0x95/0x1a0
[  244.348067][ T5620]  ? vscnprintf+0x80/0x80
[  244.352511][ T5620]  gfs2_fill_super+0x128d/0x1f50
[  244.357452][ T5620]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.362553][ T5620]  ? preempt_count_add+0x8d/0x190
[  244.367852][ T5620]  ? sb_set_blocksize+0xa5/0xe0
[  244.372771][ T5620]  get_tree_bdev+0x3f1/0x610
[  244.377637][ T5620]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.382836][ T5620]  gfs2_get_tree+0x4d/0x1e0
[  244.387347][ T5620]  vfs_get_tree+0x88/0x270
[  244.391789][ T5620]  do_new_mount+0x24a/0xa40
[  244.396371][ T5620]  __se_sys_mount+0x2d6/0x3c0
[  244.401140][ T5620]  ? __x64_sys_mount+0xc0/0xc0
[  244.405892][ T5620]  ? lockdep_hardirqs_on+0x94/0x140
[  244.411202][ T5620]  ? __x64_sys_mount+0x1c/0xc0
[  244.416221][ T5620]  do_syscall_64+0x4c/0xa0
[  244.420645][ T5620]  ? clear_bhb_loop+0x30/0x80
[  244.425659][ T5620]  ? clear_bhb_loop+0x30/0x80
[  244.430334][ T5620]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.436403][ T5620] RIP: 0033:0x7fdf0ad9a34a
[  244.440828][ T5620] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.460454][ T5620] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.468946][ T5620] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  244.476909][ T5620] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  244.485172][ T5620] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  244.493442][ T5620] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  244.501403][ T5620] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  244.509374][ T5620]  </TASK>
[  244.513380][ T5620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.526901][ T5620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.847956][ T5622] loop1: detected capacity change from 0 to 32768
[  244.892765][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.903258][ T5622] CPU: 1 PID: 5622 Comm: syz.1.202 Not tainted syzkaller #0
[  244.910670][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  244.921016][ T5622] Call Trace:
[  244.924318][ T5622]  <TASK>
[  244.927256][ T5622]  dump_stack_lvl+0x168/0x230
[  244.931955][ T5622]  ? show_regs_print_info+0x20/0x20
[  244.937610][ T5622]  ? load_image+0x3b0/0x3b0
[  244.942141][ T5622]  sysfs_create_dir_ns+0x252/0x280
[  244.947272][ T5622]  ? __lock_acquire+0x7c60/0x7c60
[  244.952422][ T5622]  ? sysfs_warn_dup+0xa0/0xa0
[  244.957115][ T5622]  ? do_raw_spin_unlock+0x11d/0x230
[  244.962570][ T5622]  kobject_add_internal+0x662/0xd00
[  244.967936][ T5622]  kobject_init_and_add+0x122/0x190
[  244.973428][ T5622]  ? lockdep_softirqs_off+0x420/0x420
[  244.979405][ T5622]  ? kobject_add+0x210/0x210
[  244.984207][ T5622]  ? __init_swait_queue_head+0xa5/0x150
[  244.989953][ T5622]  gfs2_sys_fs_add+0x234/0x480
[  244.994835][ T5622]  ? gfs2_recover_set+0x240/0x240
[  245.000217][ T5622]  ? snprintf+0xd7/0x120
[  245.004540][ T5622]  ? __free_pages+0x95/0x1a0
[  245.009138][ T5622]  ? vscnprintf+0x80/0x80
[  245.013555][ T5622]  gfs2_fill_super+0x128d/0x1f50
[  245.018685][ T5622]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.023895][ T5622]  ? preempt_count_add+0x8d/0x190
[  245.028915][ T5622]  ? sb_set_blocksize+0xa5/0xe0
[  245.033754][ T5622]  get_tree_bdev+0x3f1/0x610
[  245.038371][ T5622]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.043385][ T5622]  gfs2_get_tree+0x4d/0x1e0
[  245.047970][ T5622]  vfs_get_tree+0x88/0x270
[  245.052397][ T5622]  do_new_mount+0x24a/0xa40
[  245.056885][ T5622]  __se_sys_mount+0x2d6/0x3c0
[  245.061585][ T5622]  ? __x64_sys_mount+0xc0/0xc0
[  245.066356][ T5622]  ? lockdep_hardirqs_on+0x94/0x140
[  245.071585][ T5622]  ? __x64_sys_mount+0x1c/0xc0
[  245.076438][ T5622]  do_syscall_64+0x4c/0xa0
[  245.080852][ T5622]  ? clear_bhb_loop+0x30/0x80
[  245.085523][ T5622]  ? clear_bhb_loop+0x30/0x80
[  245.090370][ T5622]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.096337][ T5622] RIP: 0033:0x7fdf0ad9a34a
[  245.100748][ T5622] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.120519][ T5622] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.128991][ T5622] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  245.137041][ T5622] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  245.145005][ T5622] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  245.152964][ T5622] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  245.161180][ T5622] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  245.169357][ T5622]  </TASK>
[  245.173571][ T5622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.186986][ T5622] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:17:37 executed programs: 188
[  245.506729][ T5624] loop1: detected capacity change from 0 to 32768
[  245.577343][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.585006][ T5624] CPU: 0 PID: 5624 Comm: syz.1.203 Not tainted syzkaller #0
[  245.592559][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.602970][ T5624] Call Trace:
[  245.606260][ T5624]  <TASK>
[  245.609198][ T5624]  dump_stack_lvl+0x168/0x230
[  245.614088][ T5624]  ? show_regs_print_info+0x20/0x20
[  245.619926][ T5624]  ? load_image+0x3b0/0x3b0
[  245.624554][ T5624]  sysfs_create_dir_ns+0x252/0x280
[  245.629692][ T5624]  ? __lock_acquire+0x7c60/0x7c60
[  245.634727][ T5624]  ? sysfs_warn_dup+0xa0/0xa0
[  245.639409][ T5624]  ? do_raw_spin_unlock+0x11d/0x230
[  245.644716][ T5624]  kobject_add_internal+0x662/0xd00
[  245.650023][ T5624]  kobject_init_and_add+0x122/0x190
[  245.655365][ T5624]  ? lockdep_softirqs_off+0x420/0x420
[  245.660976][ T5624]  ? kobject_add+0x210/0x210
[  245.665563][ T5624]  ? __init_swait_queue_head+0xa5/0x150
[  245.671203][ T5624]  gfs2_sys_fs_add+0x234/0x480
[  245.676232][ T5624]  ? gfs2_recover_set+0x240/0x240
[  245.681242][ T5624]  ? snprintf+0xd7/0x120
[  245.685474][ T5624]  ? __free_pages+0x95/0x1a0
[  245.690065][ T5624]  ? vscnprintf+0x80/0x80
[  245.694647][ T5624]  gfs2_fill_super+0x128d/0x1f50
[  245.699580][ T5624]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.704737][ T5624]  ? preempt_count_add+0x8d/0x190
[  245.709765][ T5624]  ? sb_set_blocksize+0xa5/0xe0
[  245.714912][ T5624]  get_tree_bdev+0x3f1/0x610
[  245.719832][ T5624]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.724953][ T5624]  gfs2_get_tree+0x4d/0x1e0
[  245.729474][ T5624]  vfs_get_tree+0x88/0x270
[  245.733931][ T5624]  do_new_mount+0x24a/0xa40
[  245.738541][ T5624]  __se_sys_mount+0x2d6/0x3c0
[  245.743223][ T5624]  ? __x64_sys_mount+0xc0/0xc0
[  245.747982][ T5624]  ? lockdep_hardirqs_on+0x94/0x140
[  245.753304][ T5624]  ? __x64_sys_mount+0x1c/0xc0
[  245.758270][ T5624]  do_syscall_64+0x4c/0xa0
[  245.763284][ T5624]  ? clear_bhb_loop+0x30/0x80
[  245.767950][ T5624]  ? clear_bhb_loop+0x30/0x80
[  245.772884][ T5624]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.778781][ T5624] RIP: 0033:0x7fdf0ad9a34a
[  245.783452][ T5624] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.803139][ T5624] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.811925][ T5624] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  245.820635][ T5624] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  245.828693][ T5624] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  245.836709][ T5624] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  245.844898][ T5624] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  245.852889][ T5624]  </TASK>
[  245.857085][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.870870][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.191512][ T5626] loop1: detected capacity change from 0 to 32768
[  246.257845][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.266251][ T5626] CPU: 0 PID: 5626 Comm: syz.1.204 Not tainted syzkaller #0
[  246.273655][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  246.283808][ T5626] Call Trace:
[  246.287366][ T5626]  <TASK>
[  246.290406][ T5626]  dump_stack_lvl+0x168/0x230
[  246.295280][ T5626]  ? show_regs_print_info+0x20/0x20
[  246.300801][ T5626]  ? load_image+0x3b0/0x3b0
[  246.305334][ T5626]  sysfs_create_dir_ns+0x252/0x280
[  246.310611][ T5626]  ? __lock_acquire+0x7c60/0x7c60
[  246.315886][ T5626]  ? sysfs_warn_dup+0xa0/0xa0
[  246.321348][ T5626]  ? do_raw_spin_unlock+0x11d/0x230
[  246.326574][ T5626]  kobject_add_internal+0x662/0xd00
[  246.331910][ T5626]  kobject_init_and_add+0x122/0x190
[  246.337288][ T5626]  ? lockdep_softirqs_off+0x420/0x420
[  246.342773][ T5626]  ? kobject_add+0x210/0x210
[  246.347483][ T5626]  ? __init_swait_queue_head+0xa5/0x150
[  246.353072][ T5626]  gfs2_sys_fs_add+0x234/0x480
[  246.357929][ T5626]  ? gfs2_recover_set+0x240/0x240
[  246.363247][ T5626]  ? snprintf+0xd7/0x120
[  246.367486][ T5626]  ? __free_pages+0x95/0x1a0
[  246.372286][ T5626]  ? vscnprintf+0x80/0x80
[  246.376719][ T5626]  gfs2_fill_super+0x128d/0x1f50
[  246.382522][ T5626]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.387782][ T5626]  ? preempt_count_add+0x8d/0x190
[  246.392812][ T5626]  ? sb_set_blocksize+0xa5/0xe0
[  246.397778][ T5626]  get_tree_bdev+0x3f1/0x610
[  246.402549][ T5626]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.407649][ T5626]  gfs2_get_tree+0x4d/0x1e0
[  246.412443][ T5626]  vfs_get_tree+0x88/0x270
[  246.417249][ T5626]  do_new_mount+0x24a/0xa40
[  246.421944][ T5626]  __se_sys_mount+0x2d6/0x3c0
[  246.426829][ T5626]  ? __x64_sys_mount+0xc0/0xc0
[  246.431633][ T5626]  ? lockdep_hardirqs_on+0x94/0x140
[  246.437022][ T5626]  ? __x64_sys_mount+0x1c/0xc0
[  246.442108][ T5626]  do_syscall_64+0x4c/0xa0
[  246.446792][ T5626]  ? clear_bhb_loop+0x30/0x80
[  246.451651][ T5626]  ? clear_bhb_loop+0x30/0x80
[  246.456665][ T5626]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.463081][ T5626] RIP: 0033:0x7fdf0ad9a34a
[  246.467495][ T5626] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.487511][ T5626] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.496139][ T5626] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  246.504270][ T5626] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  246.512324][ T5626] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  246.520398][ T5626] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  246.528807][ T5626] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  246.537236][ T5626]  </TASK>
[  246.542050][ T5626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.555631][ T5626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.902799][ T5628] loop1: detected capacity change from 0 to 32768
[  246.966495][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.973916][ T5628] CPU: 0 PID: 5628 Comm: syz.1.205 Not tainted syzkaller #0
[  246.981830][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  246.992250][ T5628] Call Trace:
[  246.995546][ T5628]  <TASK>
[  246.998844][ T5628]  dump_stack_lvl+0x168/0x230
[  247.003900][ T5628]  ? show_regs_print_info+0x20/0x20
[  247.009284][ T5628]  ? load_image+0x3b0/0x3b0
[  247.013813][ T5628]  sysfs_create_dir_ns+0x252/0x280
[  247.019125][ T5628]  ? __lock_acquire+0x7c60/0x7c60
[  247.024494][ T5628]  ? sysfs_warn_dup+0xa0/0xa0
[  247.029394][ T5628]  ? do_raw_spin_unlock+0x11d/0x230
[  247.034958][ T5628]  kobject_add_internal+0x662/0xd00
[  247.040251][ T5628]  kobject_init_and_add+0x122/0x190
[  247.045455][ T5628]  ? lockdep_softirqs_off+0x420/0x420
[  247.050818][ T5628]  ? kobject_add+0x210/0x210
[  247.055445][ T5628]  ? __init_swait_queue_head+0xa5/0x150
[  247.061173][ T5628]  gfs2_sys_fs_add+0x234/0x480
[  247.066014][ T5628]  ? gfs2_recover_set+0x240/0x240
[  247.071124][ T5628]  ? snprintf+0xd7/0x120
[  247.075374][ T5628]  ? __free_pages+0x95/0x1a0
[  247.080179][ T5628]  ? vscnprintf+0x80/0x80
[  247.084517][ T5628]  gfs2_fill_super+0x128d/0x1f50
[  247.089577][ T5628]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.094596][ T5628]  ? preempt_count_add+0x8d/0x190
[  247.099917][ T5628]  ? sb_set_blocksize+0xa5/0xe0
[  247.104763][ T5628]  get_tree_bdev+0x3f1/0x610
[  247.109430][ T5628]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.114629][ T5628]  gfs2_get_tree+0x4d/0x1e0
[  247.119210][ T5628]  vfs_get_tree+0x88/0x270
[  247.123697][ T5628]  do_new_mount+0x24a/0xa40
[  247.128270][ T5628]  __se_sys_mount+0x2d6/0x3c0
[  247.133024][ T5628]  ? __x64_sys_mount+0xc0/0xc0
[  247.138029][ T5628]  ? lockdep_hardirqs_on+0x94/0x140
[  247.143211][ T5628]  ? __x64_sys_mount+0x1c/0xc0
[  247.147963][ T5628]  do_syscall_64+0x4c/0xa0
[  247.152374][ T5628]  ? clear_bhb_loop+0x30/0x80
[  247.157214][ T5628]  ? clear_bhb_loop+0x30/0x80
[  247.161904][ T5628]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.167875][ T5628] RIP: 0033:0x7fdf0ad9a34a
[  247.172277][ T5628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.192163][ T5628] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.200810][ T5628] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  247.208960][ T5628] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  247.217016][ T5628] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  247.225172][ T5628] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  247.233162][ T5628] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  247.241341][ T5628]  </TASK>
[  247.245635][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.259193][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.485490][ T4215] Bluetooth: hci1: command 0x0406 tx timeout
[  247.564402][ T5630] loop1: detected capacity change from 0 to 32768
[  247.582541][ T5630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.590189][ T5630] CPU: 1 PID: 5630 Comm: syz.1.206 Not tainted syzkaller #0
[  247.597720][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  247.607882][ T5630] Call Trace:
[  247.611168][ T5630]  <TASK>
[  247.614105][ T5630]  dump_stack_lvl+0x168/0x230
[  247.618795][ T5630]  ? show_regs_print_info+0x20/0x20
[  247.624043][ T5630]  ? load_image+0x3b0/0x3b0
[  247.628567][ T5630]  sysfs_create_dir_ns+0x252/0x280
[  247.633782][ T5630]  ? __lock_acquire+0x7c60/0x7c60
[  247.638917][ T5630]  ? sysfs_warn_dup+0xa0/0xa0
[  247.643702][ T5630]  ? do_raw_spin_unlock+0x11d/0x230
[  247.648999][ T5630]  kobject_add_internal+0x662/0xd00
[  247.654216][ T5630]  kobject_init_and_add+0x122/0x190
[  247.659545][ T5630]  ? lockdep_softirqs_off+0x420/0x420
[  247.665089][ T5630]  ? kobject_add+0x210/0x210
[  247.669772][ T5630]  ? __init_swait_queue_head+0xa5/0x150
[  247.675310][ T5630]  gfs2_sys_fs_add+0x234/0x480
[  247.680324][ T5630]  ? gfs2_recover_set+0x240/0x240
[  247.685723][ T5630]  ? snprintf+0xd7/0x120
[  247.690499][ T5630]  ? __free_pages+0x95/0x1a0
[  247.695112][ T5630]  ? vscnprintf+0x80/0x80
[  247.699440][ T5630]  gfs2_fill_super+0x128d/0x1f50
[  247.704475][ T5630]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.709588][ T5630]  ? preempt_count_add+0x8d/0x190
[  247.714761][ T5630]  ? sb_set_blocksize+0xa5/0xe0
[  247.719848][ T5630]  get_tree_bdev+0x3f1/0x610
[  247.724530][ T5630]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.729557][ T5630]  gfs2_get_tree+0x4d/0x1e0
[  247.734081][ T5630]  vfs_get_tree+0x88/0x270
[  247.738483][ T5630]  do_new_mount+0x24a/0xa40
[  247.743057][ T5630]  __se_sys_mount+0x2d6/0x3c0
[  247.747845][ T5630]  ? __x64_sys_mount+0xc0/0xc0
[  247.752690][ T5630]  ? lockdep_hardirqs_on+0x94/0x140
[  247.757876][ T5630]  ? __x64_sys_mount+0x1c/0xc0
[  247.763058][ T5630]  do_syscall_64+0x4c/0xa0
[  247.767834][ T5630]  ? clear_bhb_loop+0x30/0x80
[  247.772507][ T5630]  ? clear_bhb_loop+0x30/0x80
[  247.777171][ T5630]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.783267][ T5630] RIP: 0033:0x7fdf0ad9a34a
[  247.787754][ T5630] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.807647][ T5630] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.816271][ T5630] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  247.824402][ T5630] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  247.832744][ T5630] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  247.840970][ T5630] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  247.849133][ T5630] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  247.857157][ T5630]  </TASK>
[  247.864369][ T5630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.878405][ T5630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.187925][ T5632] loop1: detected capacity change from 0 to 32768
[  248.268970][ T5632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.276867][ T5632] CPU: 1 PID: 5632 Comm: syz.1.207 Not tainted syzkaller #0
[  248.284170][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.294501][ T5632] Call Trace:
[  248.297976][ T5632]  <TASK>
[  248.300925][ T5632]  dump_stack_lvl+0x168/0x230
[  248.305632][ T5632]  ? show_regs_print_info+0x20/0x20
[  248.310851][ T5632]  ? load_image+0x3b0/0x3b0
[  248.315453][ T5632]  sysfs_create_dir_ns+0x252/0x280
[  248.320620][ T5632]  ? __lock_acquire+0x7c60/0x7c60
[  248.325731][ T5632]  ? sysfs_warn_dup+0xa0/0xa0
[  248.330782][ T5632]  ? do_raw_spin_unlock+0x11d/0x230
[  248.336182][ T5632]  kobject_add_internal+0x662/0xd00
[  248.341380][ T5632]  kobject_init_and_add+0x122/0x190
[  248.346676][ T5632]  ? lockdep_softirqs_off+0x420/0x420
[  248.352165][ T5632]  ? kobject_add+0x210/0x210
[  248.356852][ T5632]  ? __init_swait_queue_head+0xa5/0x150
[  248.362725][ T5632]  gfs2_sys_fs_add+0x234/0x480
[  248.367550][ T5632]  ? gfs2_recover_set+0x240/0x240
[  248.372655][ T5632]  ? snprintf+0xd7/0x120
[  248.376888][ T5632]  ? __free_pages+0x95/0x1a0
[  248.381742][ T5632]  ? vscnprintf+0x80/0x80
[  248.386243][ T5632]  gfs2_fill_super+0x128d/0x1f50
[  248.391285][ T5632]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.396400][ T5632]  ? preempt_count_add+0x8d/0x190
[  248.401429][ T5632]  ? sb_set_blocksize+0xa5/0xe0
[  248.406369][ T5632]  get_tree_bdev+0x3f1/0x610
[  248.410951][ T5632]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.415966][ T5632]  gfs2_get_tree+0x4d/0x1e0
[  248.420464][ T5632]  vfs_get_tree+0x88/0x270
[  248.425099][ T5632]  do_new_mount+0x24a/0xa40
[  248.429633][ T5632]  __se_sys_mount+0x2d6/0x3c0
[  248.434393][ T5632]  ? __x64_sys_mount+0xc0/0xc0
[  248.439236][ T5632]  ? lockdep_hardirqs_on+0x94/0x140
[  248.444530][ T5632]  ? __x64_sys_mount+0x1c/0xc0
[  248.449373][ T5632]  do_syscall_64+0x4c/0xa0
[  248.454095][ T5632]  ? clear_bhb_loop+0x30/0x80
[  248.458783][ T5632]  ? clear_bhb_loop+0x30/0x80
[  248.463555][ T5632]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.469575][ T5632] RIP: 0033:0x7fdf0ad9a34a
[  248.474374][ T5632] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.494700][ T5632] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.503700][ T5632] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  248.512005][ T5632] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  248.520215][ T5632] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  248.528452][ T5632] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  248.536606][ T5632] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  248.545205][ T5632]  </TASK>
[  248.550086][ T5632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.563736][ T5632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.892969][ T5634] loop1: detected capacity change from 0 to 32768
[  248.945044][ T5634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.952808][ T5634] CPU: 1 PID: 5634 Comm: syz.1.208 Not tainted syzkaller #0
[  248.960290][ T5634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.970541][ T5634] Call Trace:
[  248.973826][ T5634]  <TASK>
[  248.976785][ T5634]  dump_stack_lvl+0x168/0x230
[  248.981777][ T5634]  ? show_regs_print_info+0x20/0x20
[  248.987174][ T5634]  ? load_image+0x3b0/0x3b0
[  248.991716][ T5634]  sysfs_create_dir_ns+0x252/0x280
[  248.996982][ T5634]  ? __lock_acquire+0x7c60/0x7c60
[  249.002020][ T5634]  ? sysfs_warn_dup+0xa0/0xa0
[  249.006811][ T5634]  ? do_raw_spin_unlock+0x11d/0x230
[  249.012741][ T5634]  kobject_add_internal+0x662/0xd00
[  249.018088][ T5634]  kobject_init_and_add+0x122/0x190
[  249.023826][ T5634]  ? lockdep_softirqs_off+0x420/0x420
[  249.030077][ T5634]  ? kobject_add+0x210/0x210
[  249.034835][ T5634]  ? __init_swait_queue_head+0xa5/0x150
[  249.040727][ T5634]  gfs2_sys_fs_add+0x234/0x480
[  249.045493][ T5634]  ? gfs2_recover_set+0x240/0x240
[  249.050790][ T5634]  ? snprintf+0xd7/0x120
[  249.055639][ T5634]  ? __free_pages+0x95/0x1a0
[  249.060245][ T5634]  ? vscnprintf+0x80/0x80
[  249.064858][ T5634]  gfs2_fill_super+0x128d/0x1f50
[  249.069789][ T5634]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.074799][ T5634]  ? preempt_count_add+0x8d/0x190
[  249.079910][ T5634]  ? sb_set_blocksize+0xa5/0xe0
[  249.085143][ T5634]  get_tree_bdev+0x3f1/0x610
[  249.090349][ T5634]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.096187][ T5634]  gfs2_get_tree+0x4d/0x1e0
[  249.100797][ T5634]  vfs_get_tree+0x88/0x270
[  249.105353][ T5634]  do_new_mount+0x24a/0xa40
[  249.109960][ T5634]  __se_sys_mount+0x2d6/0x3c0
[  249.114709][ T5634]  ? __x64_sys_mount+0xc0/0xc0
[  249.119459][ T5634]  ? lockdep_hardirqs_on+0x94/0x140
[  249.124654][ T5634]  ? __x64_sys_mount+0x1c/0xc0
[  249.129492][ T5634]  do_syscall_64+0x4c/0xa0
[  249.134035][ T5634]  ? clear_bhb_loop+0x30/0x80
[  249.138709][ T5634]  ? clear_bhb_loop+0x30/0x80
[  249.143430][ T5634]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.149332][ T5634] RIP: 0033:0x7fdf0ad9a34a
[  249.154002][ T5634] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.174218][ T5634] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.182838][ T5634] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  249.191536][ T5634] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  249.199654][ T5634] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  249.207736][ T5634] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  249.215792][ T5634] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  249.223779][ T5634]  </TASK>
[  249.228788][ T5634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.242240][ T5634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.552618][ T5636] loop1: detected capacity change from 0 to 32768
[  249.590846][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.598892][ T5636] CPU: 1 PID: 5636 Comm: syz.1.209 Not tainted syzkaller #0
[  249.606372][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  249.616445][ T5636] Call Trace:
[  249.619750][ T5636]  <TASK>
[  249.622710][ T5636]  dump_stack_lvl+0x168/0x230
[  249.627400][ T5636]  ? show_regs_print_info+0x20/0x20
[  249.632705][ T5636]  ? load_image+0x3b0/0x3b0
[  249.637237][ T5636]  sysfs_create_dir_ns+0x252/0x280
[  249.642375][ T5636]  ? __lock_acquire+0x7c60/0x7c60
[  249.647471][ T5636]  ? sysfs_warn_dup+0xa0/0xa0
[  249.652268][ T5636]  ? do_raw_spin_unlock+0x11d/0x230
[  249.657650][ T5636]  kobject_add_internal+0x662/0xd00
[  249.662884][ T5636]  kobject_init_and_add+0x122/0x190
[  249.668108][ T5636]  ? lockdep_softirqs_off+0x420/0x420
[  249.673575][ T5636]  ? kobject_add+0x210/0x210
[  249.678165][ T5636]  ? __init_swait_queue_head+0xa5/0x150
[  249.684120][ T5636]  gfs2_sys_fs_add+0x234/0x480
[  249.688953][ T5636]  ? gfs2_recover_set+0x240/0x240
[  249.694084][ T5636]  ? snprintf+0xd7/0x120
[  249.698482][ T5636]  ? __free_pages+0x95/0x1a0
[  249.703080][ T5636]  ? vscnprintf+0x80/0x80
[  249.707518][ T5636]  gfs2_fill_super+0x128d/0x1f50
[  249.712547][ T5636]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.717559][ T5636]  ? preempt_count_add+0x8d/0x190
[  249.722581][ T5636]  ? sb_set_blocksize+0xa5/0xe0
[  249.727532][ T5636]  get_tree_bdev+0x3f1/0x610
[  249.732460][ T5636]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.737551][ T5636]  gfs2_get_tree+0x4d/0x1e0
[  249.742052][ T5636]  vfs_get_tree+0x88/0x270
[  249.746515][ T5636]  do_new_mount+0x24a/0xa40
[  249.751461][ T5636]  __se_sys_mount+0x2d6/0x3c0
[  249.756132][ T5636]  ? __x64_sys_mount+0xc0/0xc0
[  249.760910][ T5636]  ? lockdep_hardirqs_on+0x94/0x140
[  249.766206][ T5636]  ? __x64_sys_mount+0x1c/0xc0
[  249.771190][ T5636]  do_syscall_64+0x4c/0xa0
[  249.775642][ T5636]  ? clear_bhb_loop+0x30/0x80
[  249.780308][ T5636]  ? clear_bhb_loop+0x30/0x80
[  249.785093][ T5636]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.791052][ T5636] RIP: 0033:0x7fdf0ad9a34a
[  249.795471][ T5636] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.815317][ T5636] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.823733][ T5636] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  249.832080][ T5636] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  249.840235][ T5636] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  249.848207][ T5636] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  249.856680][ T5636] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  249.865472][ T5636]  </TASK>
[  249.869599][ T5636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.883268][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.181030][ T5638] loop1: detected capacity change from 0 to 32768
[  250.267337][ T5638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.275209][ T5638] CPU: 0 PID: 5638 Comm: syz.1.210 Not tainted syzkaller #0
[  250.282501][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.292566][ T5638] Call Trace:
[  250.296032][ T5638]  <TASK>
[  250.298975][ T5638]  dump_stack_lvl+0x168/0x230
[  250.303716][ T5638]  ? show_regs_print_info+0x20/0x20
[  250.308949][ T5638]  ? load_image+0x3b0/0x3b0
[  250.313575][ T5638]  sysfs_create_dir_ns+0x252/0x280
[  250.318785][ T5638]  ? __lock_acquire+0x7c60/0x7c60
[  250.323967][ T5638]  ? sysfs_warn_dup+0xa0/0xa0
[  250.328645][ T5638]  ? do_raw_spin_unlock+0x11d/0x230
[  250.334516][ T5638]  kobject_add_internal+0x662/0xd00
[  250.339820][ T5638]  kobject_init_and_add+0x122/0x190
[  250.345022][ T5638]  ? lockdep_softirqs_off+0x420/0x420
[  250.351072][ T5638]  ? kobject_add+0x210/0x210
[  250.355913][ T5638]  ? __init_swait_queue_head+0xa5/0x150
[  250.361460][ T5638]  gfs2_sys_fs_add+0x234/0x480
[  250.366272][ T5638]  ? gfs2_recover_set+0x240/0x240
[  250.371378][ T5638]  ? snprintf+0xd7/0x120
[  250.375980][ T5638]  ? __free_pages+0x95/0x1a0
[  250.380745][ T5638]  ? vscnprintf+0x80/0x80
[  250.385085][ T5638]  gfs2_fill_super+0x128d/0x1f50
[  250.390421][ T5638]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.395796][ T5638]  ? preempt_count_add+0x8d/0x190
[  250.401088][ T5638]  ? sb_set_blocksize+0xa5/0xe0
[  250.406230][ T5638]  get_tree_bdev+0x3f1/0x610
[  250.411127][ T5638]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.416154][ T5638]  gfs2_get_tree+0x4d/0x1e0
[  250.420887][ T5638]  vfs_get_tree+0x88/0x270
[  250.425289][ T5638]  do_new_mount+0x24a/0xa40
[  250.430053][ T5638]  __se_sys_mount+0x2d6/0x3c0
[  250.435148][ T5638]  ? __x64_sys_mount+0xc0/0xc0
[  250.439913][ T5638]  ? lockdep_hardirqs_on+0x94/0x140
[  250.445201][ T5638]  ? __x64_sys_mount+0x1c/0xc0
[  250.450042][ T5638]  do_syscall_64+0x4c/0xa0
[  250.454562][ T5638]  ? clear_bhb_loop+0x30/0x80
[  250.459233][ T5638]  ? clear_bhb_loop+0x30/0x80
[  250.463982][ T5638]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.469879][ T5638] RIP: 0033:0x7fdf0ad9a34a
[  250.474298][ T5638] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.494086][ T5638] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.502586][ T5638] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  250.510567][ T5638] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  250.518684][ T5638] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  250.526745][ T5638] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  250.535245][ T5638] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  250.543222][ T5638]  </TASK>
[  250.548987][ T5638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.562849][ T5638] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:17:42 executed programs: 196
[  250.864660][ T5640] loop1: detected capacity change from 0 to 32768
[  250.909908][ T5640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.921813][ T5640] CPU: 1 PID: 5640 Comm: syz.1.211 Not tainted syzkaller #0
[  250.929388][ T5640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.939744][ T5640] Call Trace:
[  250.943091][ T5640]  <TASK>
[  250.946129][ T5640]  dump_stack_lvl+0x168/0x230
[  250.951014][ T5640]  ? show_regs_print_info+0x20/0x20
[  250.956241][ T5640]  ? load_image+0x3b0/0x3b0
[  250.960862][ T5640]  sysfs_create_dir_ns+0x252/0x280
[  250.966079][ T5640]  ? __lock_acquire+0x7c60/0x7c60
[  250.971122][ T5640]  ? sysfs_warn_dup+0xa0/0xa0
[  250.975958][ T5640]  ? do_raw_spin_unlock+0x11d/0x230
[  250.981174][ T5640]  kobject_add_internal+0x662/0xd00
[  250.986489][ T5640]  kobject_init_and_add+0x122/0x190
[  250.991791][ T5640]  ? lockdep_softirqs_off+0x420/0x420
[  250.997788][ T5640]  ? kobject_add+0x210/0x210
[  251.002396][ T5640]  ? __init_swait_queue_head+0xa5/0x150
[  251.008205][ T5640]  gfs2_sys_fs_add+0x234/0x480
[  251.013310][ T5640]  ? gfs2_recover_set+0x240/0x240
[  251.018344][ T5640]  ? snprintf+0xd7/0x120
[  251.022670][ T5640]  ? __free_pages+0x95/0x1a0
[  251.027363][ T5640]  ? vscnprintf+0x80/0x80
[  251.032123][ T5640]  gfs2_fill_super+0x128d/0x1f50
[  251.037233][ T5640]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.042251][ T5640]  ? preempt_count_add+0x8d/0x190
[  251.047276][ T5640]  ? sb_set_blocksize+0xa5/0xe0
[  251.052128][ T5640]  get_tree_bdev+0x3f1/0x610
[  251.056708][ T5640]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.061844][ T5640]  gfs2_get_tree+0x4d/0x1e0
[  251.066520][ T5640]  vfs_get_tree+0x88/0x270
[  251.070954][ T5640]  do_new_mount+0x24a/0xa40
[  251.075649][ T5640]  __se_sys_mount+0x2d6/0x3c0
[  251.080333][ T5640]  ? __x64_sys_mount+0xc0/0xc0
[  251.085090][ T5640]  ? lockdep_hardirqs_on+0x94/0x140
[  251.090702][ T5640]  ? __x64_sys_mount+0x1c/0xc0
[  251.096119][ T5640]  do_syscall_64+0x4c/0xa0
[  251.101067][ T5640]  ? clear_bhb_loop+0x30/0x80
[  251.105953][ T5640]  ? clear_bhb_loop+0x30/0x80
[  251.111184][ T5640]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.117436][ T5640] RIP: 0033:0x7fdf0ad9a34a
[  251.122099][ T5640] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.142554][ T5640] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.151176][ T5640] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  251.159323][ T5640] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  251.167292][ T5640] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  251.175537][ T5640] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  251.183930][ T5640] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  251.192075][ T5640]  </TASK>
[  251.199204][ T5640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.212516][ T5640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.511223][ T5642] loop1: detected capacity change from 0 to 32768
[  251.586774][ T5642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.594826][ T5642] CPU: 1 PID: 5642 Comm: syz.1.212 Not tainted syzkaller #0
[  251.602267][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.612651][ T5642] Call Trace:
[  251.616211][ T5642]  <TASK>
[  251.619146][ T5642]  dump_stack_lvl+0x168/0x230
[  251.623846][ T5642]  ? show_regs_print_info+0x20/0x20
[  251.629072][ T5642]  ? load_image+0x3b0/0x3b0
[  251.633697][ T5642]  sysfs_create_dir_ns+0x252/0x280
[  251.639529][ T5642]  ? __lock_acquire+0x7c60/0x7c60
[  251.644956][ T5642]  ? sysfs_warn_dup+0xa0/0xa0
[  251.649662][ T5642]  ? do_raw_spin_unlock+0x11d/0x230
[  251.654877][ T5642]  kobject_add_internal+0x662/0xd00
[  251.660189][ T5642]  kobject_init_and_add+0x122/0x190
[  251.665385][ T5642]  ? lockdep_softirqs_off+0x420/0x420
[  251.671057][ T5642]  ? kobject_add+0x210/0x210
[  251.675744][ T5642]  ? __init_swait_queue_head+0xa5/0x150
[  251.681548][ T5642]  gfs2_sys_fs_add+0x234/0x480
[  251.686758][ T5642]  ? gfs2_recover_set+0x240/0x240
[  251.691988][ T5642]  ? snprintf+0xd7/0x120
[  251.696413][ T5642]  ? __free_pages+0x95/0x1a0
[  251.701056][ T5642]  ? vscnprintf+0x80/0x80
[  251.705589][ T5642]  gfs2_fill_super+0x128d/0x1f50
[  251.710971][ T5642]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.716097][ T5642]  ? preempt_count_add+0x8d/0x190
[  251.721331][ T5642]  ? sb_set_blocksize+0xa5/0xe0
[  251.726356][ T5642]  get_tree_bdev+0x3f1/0x610
[  251.731042][ T5642]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.736350][ T5642]  gfs2_get_tree+0x4d/0x1e0
[  251.741146][ T5642]  vfs_get_tree+0x88/0x270
[  251.745681][ T5642]  do_new_mount+0x24a/0xa40
[  251.750180][ T5642]  __se_sys_mount+0x2d6/0x3c0
[  251.755229][ T5642]  ? __x64_sys_mount+0xc0/0xc0
[  251.759995][ T5642]  ? lockdep_hardirqs_on+0x94/0x140
[  251.765273][ T5642]  ? __x64_sys_mount+0x1c/0xc0
[  251.770050][ T5642]  do_syscall_64+0x4c/0xa0
[  251.774562][ T5642]  ? clear_bhb_loop+0x30/0x80
[  251.779236][ T5642]  ? clear_bhb_loop+0x30/0x80
[  251.783928][ T5642]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.790066][ T5642] RIP: 0033:0x7fdf0ad9a34a
[  251.794476][ T5642] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.814065][ T5642] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.822581][ T5642] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  251.831247][ T5642] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  251.839580][ T5642] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  251.847753][ T5642] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  251.855719][ T5642] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  251.864222][ T5642]  </TASK>
[  251.868874][ T5642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.883243][ T5642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.234135][ T5644] loop1: detected capacity change from 0 to 32768
[  252.286908][ T5644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.294320][ T5644] CPU: 0 PID: 5644 Comm: syz.1.213 Not tainted syzkaller #0
[  252.301616][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.311801][ T5644] Call Trace:
[  252.315176][ T5644]  <TASK>
[  252.318212][ T5644]  dump_stack_lvl+0x168/0x230
[  252.323166][ T5644]  ? show_regs_print_info+0x20/0x20
[  252.328399][ T5644]  ? load_image+0x3b0/0x3b0
[  252.332930][ T5644]  sysfs_create_dir_ns+0x252/0x280
[  252.338418][ T5644]  ? __lock_acquire+0x7c60/0x7c60
[  252.343550][ T5644]  ? sysfs_warn_dup+0xa0/0xa0
[  252.348386][ T5644]  ? do_raw_spin_unlock+0x11d/0x230
[  252.354022][ T5644]  kobject_add_internal+0x662/0xd00
[  252.359424][ T5644]  kobject_init_and_add+0x122/0x190
[  252.364802][ T5644]  ? lockdep_softirqs_off+0x420/0x420
[  252.370432][ T5644]  ? kobject_add+0x210/0x210
[  252.375025][ T5644]  ? __init_swait_queue_head+0xa5/0x150
[  252.380860][ T5644]  gfs2_sys_fs_add+0x234/0x480
[  252.385717][ T5644]  ? gfs2_recover_set+0x240/0x240
[  252.390822][ T5644]  ? snprintf+0xd7/0x120
[  252.395051][ T5644]  ? __free_pages+0x95/0x1a0
[  252.400172][ T5644]  ? vscnprintf+0x80/0x80
[  252.404773][ T5644]  gfs2_fill_super+0x128d/0x1f50
[  252.409996][ T5644]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.415117][ T5644]  ? preempt_count_add+0x8d/0x190
[  252.420354][ T5644]  ? sb_set_blocksize+0xa5/0xe0
[  252.425205][ T5644]  get_tree_bdev+0x3f1/0x610
[  252.429873][ T5644]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.434884][ T5644]  gfs2_get_tree+0x4d/0x1e0
[  252.439560][ T5644]  vfs_get_tree+0x88/0x270
[  252.443987][ T5644]  do_new_mount+0x24a/0xa40
[  252.448610][ T5644]  __se_sys_mount+0x2d6/0x3c0
[  252.453501][ T5644]  ? __x64_sys_mount+0xc0/0xc0
[  252.458707][ T5644]  ? lockdep_hardirqs_on+0x94/0x140
[  252.463991][ T5644]  ? __x64_sys_mount+0x1c/0xc0
[  252.469034][ T5644]  do_syscall_64+0x4c/0xa0
[  252.473727][ T5644]  ? clear_bhb_loop+0x30/0x80
[  252.479301][ T5644]  ? clear_bhb_loop+0x30/0x80
[  252.483985][ T5644]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.490165][ T5644] RIP: 0033:0x7fdf0ad9a34a
[  252.494911][ T5644] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.514630][ T5644] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.523205][ T5644] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  252.531326][ T5644] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  252.539522][ T5644] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  252.547885][ T5644] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  252.555887][ T5644] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  252.563973][ T5644]  </TASK>
[  252.568294][ T5644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.582312][ T5644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.898886][ T5646] loop1: detected capacity change from 0 to 32768
[  252.964951][ T5646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.972802][ T5646] CPU: 1 PID: 5646 Comm: syz.1.214 Not tainted syzkaller #0
[  252.980543][ T5646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.990783][ T5646] Call Trace:
[  252.994072][ T5646]  <TASK>
[  252.997092][ T5646]  dump_stack_lvl+0x168/0x230
[  253.001965][ T5646]  ? show_regs_print_info+0x20/0x20
[  253.007270][ T5646]  ? load_image+0x3b0/0x3b0
[  253.011811][ T5646]  sysfs_create_dir_ns+0x252/0x280
[  253.017289][ T5646]  ? __lock_acquire+0x7c60/0x7c60
[  253.022417][ T5646]  ? sysfs_warn_dup+0xa0/0xa0
[  253.027216][ T5646]  ? do_raw_spin_unlock+0x11d/0x230
[  253.032605][ T5646]  kobject_add_internal+0x662/0xd00
[  253.039186][ T5646]  kobject_init_and_add+0x122/0x190
[  253.044566][ T5646]  ? lockdep_softirqs_off+0x420/0x420
[  253.050121][ T5646]  ? kobject_add+0x210/0x210
[  253.054788][ T5646]  ? __init_swait_queue_head+0xa5/0x150
[  253.060360][ T5646]  gfs2_sys_fs_add+0x234/0x480
[  253.065113][ T5646]  ? gfs2_recover_set+0x240/0x240
[  253.070120][ T5646]  ? snprintf+0xd7/0x120
[  253.074470][ T5646]  ? __free_pages+0x95/0x1a0
[  253.079228][ T5646]  ? vscnprintf+0x80/0x80
[  253.083693][ T5646]  gfs2_fill_super+0x128d/0x1f50
[  253.088723][ T5646]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.093874][ T5646]  ? preempt_count_add+0x8d/0x190
[  253.099165][ T5646]  ? sb_set_blocksize+0xa5/0xe0
[  253.104025][ T5646]  get_tree_bdev+0x3f1/0x610
[  253.108810][ T5646]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.113840][ T5646]  gfs2_get_tree+0x4d/0x1e0
[  253.118624][ T5646]  vfs_get_tree+0x88/0x270
[  253.123218][ T5646]  do_new_mount+0x24a/0xa40
[  253.127911][ T5646]  __se_sys_mount+0x2d6/0x3c0
[  253.132687][ T5646]  ? __x64_sys_mount+0xc0/0xc0
[  253.137576][ T5646]  ? lockdep_hardirqs_on+0x94/0x140
[  253.143250][ T5646]  ? __x64_sys_mount+0x1c/0xc0
[  253.148234][ T5646]  do_syscall_64+0x4c/0xa0
[  253.152713][ T5646]  ? clear_bhb_loop+0x30/0x80
[  253.157381][ T5646]  ? clear_bhb_loop+0x30/0x80
[  253.162141][ T5646]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.168282][ T5646] RIP: 0033:0x7fdf0ad9a34a
[  253.172920][ T5646] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.193321][ T5646] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.202004][ T5646] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  253.210670][ T5646] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  253.218671][ T5646] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  253.226732][ T5646] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  253.234832][ T5646] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  253.242995][ T5646]  </TASK>
[  253.247062][ T5646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.260765][ T5646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.571920][ T5648] loop1: detected capacity change from 0 to 32768
[  253.583102][ T5648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.590609][ T5648] CPU: 0 PID: 5648 Comm: syz.1.215 Not tainted syzkaller #0
[  253.598180][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.608341][ T5648] Call Trace:
[  253.611651][ T5648]  <TASK>
[  253.614678][ T5648]  dump_stack_lvl+0x168/0x230
[  253.619456][ T5648]  ? show_regs_print_info+0x20/0x20
[  253.624847][ T5648]  ? load_image+0x3b0/0x3b0
[  253.629349][ T5648]  sysfs_create_dir_ns+0x252/0x280
[  253.634686][ T5648]  ? __lock_acquire+0x7c60/0x7c60
[  253.639986][ T5648]  ? sysfs_warn_dup+0xa0/0xa0
[  253.644668][ T5648]  ? do_raw_spin_unlock+0x11d/0x230
[  253.649956][ T5648]  kobject_add_internal+0x662/0xd00
[  253.656019][ T5648]  kobject_init_and_add+0x122/0x190
[  253.661392][ T5648]  ? lockdep_softirqs_off+0x420/0x420
[  253.666796][ T5648]  ? kobject_add+0x210/0x210
[  253.671396][ T5648]  ? __init_swait_queue_head+0xa5/0x150
[  253.677043][ T5648]  gfs2_sys_fs_add+0x234/0x480
[  253.682060][ T5648]  ? gfs2_recover_set+0x240/0x240
[  253.687170][ T5648]  ? snprintf+0xd7/0x120
[  253.691671][ T5648]  ? __free_pages+0x95/0x1a0
[  253.696351][ T5648]  ? vscnprintf+0x80/0x80
[  253.700683][ T5648]  gfs2_fill_super+0x128d/0x1f50
[  253.706034][ T5648]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.711332][ T5648]  ? preempt_count_add+0x8d/0x190
[  253.716623][ T5648]  ? sb_set_blocksize+0xa5/0xe0
[  253.721482][ T5648]  get_tree_bdev+0x3f1/0x610
[  253.726079][ T5648]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.731099][ T5648]  gfs2_get_tree+0x4d/0x1e0
[  253.735593][ T5648]  vfs_get_tree+0x88/0x270
[  253.740149][ T5648]  do_new_mount+0x24a/0xa40
[  253.744847][ T5648]  __se_sys_mount+0x2d6/0x3c0
[  253.749637][ T5648]  ? __x64_sys_mount+0xc0/0xc0
[  253.754492][ T5648]  ? lockdep_hardirqs_on+0x94/0x140
[  253.759706][ T5648]  ? __x64_sys_mount+0x1c/0xc0
[  253.764482][ T5648]  do_syscall_64+0x4c/0xa0
[  253.768893][ T5648]  ? clear_bhb_loop+0x30/0x80
[  253.773569][ T5648]  ? clear_bhb_loop+0x30/0x80
[  253.778242][ T5648]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.784359][ T5648] RIP: 0033:0x7fdf0ad9a34a
[  253.788771][ T5648] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.808454][ T5648] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.816949][ T5648] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  253.824919][ T5648] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  253.832891][ T5648] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  253.841134][ T5648] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  253.849526][ T5648] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  253.857614][ T5648]  </TASK>
[  253.862263][ T5648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.875853][ T5648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.206283][ T5650] loop1: detected capacity change from 0 to 32768
[  254.244613][ T5650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.252732][ T5650] CPU: 0 PID: 5650 Comm: syz.1.216 Not tainted syzkaller #0
[  254.260228][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.270582][ T5650] Call Trace:
[  254.274070][ T5650]  <TASK>
[  254.277109][ T5650]  dump_stack_lvl+0x168/0x230
[  254.281802][ T5650]  ? show_regs_print_info+0x20/0x20
[  254.287029][ T5650]  ? load_image+0x3b0/0x3b0
[  254.291592][ T5650]  sysfs_create_dir_ns+0x252/0x280
[  254.296712][ T5650]  ? __lock_acquire+0x7c60/0x7c60
[  254.301759][ T5650]  ? sysfs_warn_dup+0xa0/0xa0
[  254.306463][ T5650]  ? do_raw_spin_unlock+0x11d/0x230
[  254.311676][ T5650]  kobject_add_internal+0x662/0xd00
[  254.316971][ T5650]  kobject_init_and_add+0x122/0x190
[  254.322246][ T5650]  ? lockdep_softirqs_off+0x420/0x420
[  254.327716][ T5650]  ? kobject_add+0x210/0x210
[  254.332303][ T5650]  ? __init_swait_queue_head+0xa5/0x150
[  254.338280][ T5650]  gfs2_sys_fs_add+0x234/0x480
[  254.343247][ T5650]  ? gfs2_recover_set+0x240/0x240
[  254.348609][ T5650]  ? snprintf+0xd7/0x120
[  254.352945][ T5650]  ? __free_pages+0x95/0x1a0
[  254.357598][ T5650]  ? vscnprintf+0x80/0x80
[  254.362033][ T5650]  gfs2_fill_super+0x128d/0x1f50
[  254.367245][ T5650]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.372260][ T5650]  ? preempt_count_add+0x8d/0x190
[  254.377275][ T5650]  ? sb_set_blocksize+0xa5/0xe0
[  254.382107][ T5650]  get_tree_bdev+0x3f1/0x610
[  254.386685][ T5650]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.391755][ T5650]  gfs2_get_tree+0x4d/0x1e0
[  254.396256][ T5650]  vfs_get_tree+0x88/0x270
[  254.400659][ T5650]  do_new_mount+0x24a/0xa40
[  254.405356][ T5650]  __se_sys_mount+0x2d6/0x3c0
[  254.410400][ T5650]  ? __x64_sys_mount+0xc0/0xc0
[  254.415640][ T5650]  ? lockdep_hardirqs_on+0x94/0x140
[  254.420931][ T5650]  ? __x64_sys_mount+0x1c/0xc0
[  254.425689][ T5650]  do_syscall_64+0x4c/0xa0
[  254.430093][ T5650]  ? clear_bhb_loop+0x30/0x80
[  254.434759][ T5650]  ? clear_bhb_loop+0x30/0x80
[  254.439431][ T5650]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.445403][ T5650] RIP: 0033:0x7fdf0ad9a34a
[  254.449807][ T5650] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.469686][ T5650] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.478178][ T5650] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  254.486148][ T5650] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  254.494189][ T5650] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  254.502230][ T5650] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  254.510201][ T5650] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  254.518351][ T5650]  </TASK>
[  254.523072][ T5650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.536664][ T5650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.831944][ T5652] loop1: detected capacity change from 0 to 32768
[  254.885663][ T5652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.893157][ T5652] CPU: 1 PID: 5652 Comm: syz.1.217 Not tainted syzkaller #0
[  254.900468][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.910714][ T5652] Call Trace:
[  254.914004][ T5652]  <TASK>
[  254.916998][ T5652]  dump_stack_lvl+0x168/0x230
[  254.921702][ T5652]  ? show_regs_print_info+0x20/0x20
[  254.926914][ T5652]  ? load_image+0x3b0/0x3b0
[  254.931629][ T5652]  sysfs_create_dir_ns+0x252/0x280
[  254.936853][ T5652]  ? __lock_acquire+0x7c60/0x7c60
[  254.942100][ T5652]  ? sysfs_warn_dup+0xa0/0xa0
[  254.947169][ T5652]  ? do_raw_spin_unlock+0x11d/0x230
[  254.952486][ T5652]  kobject_add_internal+0x662/0xd00
[  254.958006][ T5652]  kobject_init_and_add+0x122/0x190
[  254.963500][ T5652]  ? lockdep_softirqs_off+0x420/0x420
[  254.969512][ T5652]  ? kobject_add+0x210/0x210
[  254.974487][ T5652]  ? __init_swait_queue_head+0xa5/0x150
[  254.980144][ T5652]  gfs2_sys_fs_add+0x234/0x480
[  254.985072][ T5652]  ? gfs2_recover_set+0x240/0x240
[  254.990362][ T5652]  ? snprintf+0xd7/0x120
[  254.994672][ T5652]  ? __free_pages+0x95/0x1a0
[  254.999241][ T5652]  ? vscnprintf+0x80/0x80
[  255.003658][ T5652]  gfs2_fill_super+0x128d/0x1f50
[  255.008804][ T5652]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.014081][ T5652]  ? preempt_count_add+0x8d/0x190
[  255.019124][ T5652]  ? sb_set_blocksize+0xa5/0xe0
[  255.024005][ T5652]  get_tree_bdev+0x3f1/0x610
[  255.028620][ T5652]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.033632][ T5652]  gfs2_get_tree+0x4d/0x1e0
[  255.038469][ T5652]  vfs_get_tree+0x88/0x270
[  255.043047][ T5652]  do_new_mount+0x24a/0xa40
[  255.047624][ T5652]  __se_sys_mount+0x2d6/0x3c0
[  255.052394][ T5652]  ? __x64_sys_mount+0xc0/0xc0
[  255.057442][ T5652]  ? lockdep_hardirqs_on+0x94/0x140
[  255.062751][ T5652]  ? __x64_sys_mount+0x1c/0xc0
[  255.067591][ T5652]  do_syscall_64+0x4c/0xa0
[  255.071995][ T5652]  ? clear_bhb_loop+0x30/0x80
[  255.076827][ T5652]  ? clear_bhb_loop+0x30/0x80
[  255.081659][ T5652]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.087716][ T5652] RIP: 0033:0x7fdf0ad9a34a
[  255.092234][ T5652] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.113190][ T5652] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.121683][ T5652] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  255.129843][ T5652] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  255.137800][ T5652] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  255.145937][ T5652] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  255.154203][ T5652] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  255.162397][ T5652]  </TASK>
[  255.166781][ T5652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.180389][ T5652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.489595][ T5654] loop1: detected capacity change from 0 to 32768
[  255.567184][ T5654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.574732][ T5654] CPU: 1 PID: 5654 Comm: syz.1.218 Not tainted syzkaller #0
[  255.582134][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.592249][ T5654] Call Trace:
[  255.595645][ T5654]  <TASK>
[  255.598588][ T5654]  dump_stack_lvl+0x168/0x230
[  255.603283][ T5654]  ? show_regs_print_info+0x20/0x20
[  255.608580][ T5654]  ? load_image+0x3b0/0x3b0
[  255.613267][ T5654]  sysfs_create_dir_ns+0x252/0x280
[  255.618508][ T5654]  ? __lock_acquire+0x7c60/0x7c60
[  255.623553][ T5654]  ? sysfs_warn_dup+0xa0/0xa0
[  255.628378][ T5654]  ? do_raw_spin_unlock+0x11d/0x230
[  255.633906][ T5654]  kobject_add_internal+0x662/0xd00
[  255.639301][ T5654]  kobject_init_and_add+0x122/0x190
[  255.644583][ T5654]  ? lockdep_softirqs_off+0x420/0x420
[  255.650119][ T5654]  ? kobject_add+0x210/0x210
[  255.654787][ T5654]  ? __init_swait_queue_head+0xa5/0x150
[  255.660409][ T5654]  gfs2_sys_fs_add+0x234/0x480
[  255.665172][ T5654]  ? gfs2_recover_set+0x240/0x240
[  255.670275][ T5654]  ? snprintf+0xd7/0x120
[  255.674558][ T5654]  ? __free_pages+0x95/0x1a0
[  255.679457][ T5654]  ? vscnprintf+0x80/0x80
[  255.683796][ T5654]  gfs2_fill_super+0x128d/0x1f50
[  255.688838][ T5654]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.693961][ T5654]  ? preempt_count_add+0x8d/0x190
[  255.698983][ T5654]  ? sb_set_blocksize+0xa5/0xe0
[  255.703821][ T5654]  get_tree_bdev+0x3f1/0x610
[  255.708586][ T5654]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.713596][ T5654]  gfs2_get_tree+0x4d/0x1e0
[  255.718086][ T5654]  vfs_get_tree+0x88/0x270
[  255.722505][ T5654]  do_new_mount+0x24a/0xa40
[  255.726994][ T5654]  __se_sys_mount+0x2d6/0x3c0
[  255.731658][ T5654]  ? __x64_sys_mount+0xc0/0xc0
[  255.736631][ T5654]  ? lockdep_hardirqs_on+0x94/0x140
[  255.741976][ T5654]  ? __x64_sys_mount+0x1c/0xc0
[  255.747009][ T5654]  do_syscall_64+0x4c/0xa0
[  255.751541][ T5654]  ? clear_bhb_loop+0x30/0x80
[  255.756215][ T5654]  ? clear_bhb_loop+0x30/0x80
[  255.760890][ T5654]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.766777][ T5654] RIP: 0033:0x7fdf0ad9a34a
[  255.771177][ T5654] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.790854][ T5654] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.799874][ T5654] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  255.807838][ T5654] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  255.816374][ T5654] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  255.824455][ T5654] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  255.832771][ T5654] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  255.840839][ T5654]  </TASK>
[  255.846530][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[  255.849106][ T5654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.852868][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
[  255.873549][ T5654] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:17:47 executed programs: 204
[  256.214559][ T5656] loop1: detected capacity change from 0 to 32768
[  256.253469][ T5656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.261455][ T5656] CPU: 0 PID: 5656 Comm: syz.1.219 Not tainted syzkaller #0
[  256.268854][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.279088][ T5656] Call Trace:
[  256.282475][ T5656]  <TASK>
[  256.285414][ T5656]  dump_stack_lvl+0x168/0x230
[  256.290107][ T5656]  ? show_regs_print_info+0x20/0x20
[  256.295347][ T5656]  ? load_image+0x3b0/0x3b0
[  256.299928][ T5656]  sysfs_create_dir_ns+0x252/0x280
[  256.305139][ T5656]  ? __lock_acquire+0x7c60/0x7c60
[  256.310188][ T5656]  ? sysfs_warn_dup+0xa0/0xa0
[  256.315058][ T5656]  ? do_raw_spin_unlock+0x11d/0x230
[  256.320368][ T5656]  kobject_add_internal+0x662/0xd00
[  256.325678][ T5656]  kobject_init_and_add+0x122/0x190
[  256.331060][ T5656]  ? lockdep_softirqs_off+0x420/0x420
[  256.336470][ T5656]  ? kobject_add+0x210/0x210
[  256.341076][ T5656]  ? __init_swait_queue_head+0xa5/0x150
[  256.346672][ T5656]  gfs2_sys_fs_add+0x234/0x480
[  256.351524][ T5656]  ? gfs2_recover_set+0x240/0x240
[  256.356644][ T5656]  ? snprintf+0xd7/0x120
[  256.360976][ T5656]  ? __free_pages+0x95/0x1a0
[  256.365560][ T5656]  ? vscnprintf+0x80/0x80
[  256.369988][ T5656]  gfs2_fill_super+0x128d/0x1f50
[  256.375091][ T5656]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.380188][ T5656]  ? preempt_count_add+0x8d/0x190
[  256.385288][ T5656]  ? sb_set_blocksize+0xa5/0xe0
[  256.390138][ T5656]  get_tree_bdev+0x3f1/0x610
[  256.394727][ T5656]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.399745][ T5656]  gfs2_get_tree+0x4d/0x1e0
[  256.404240][ T5656]  vfs_get_tree+0x88/0x270
[  256.408640][ T5656]  do_new_mount+0x24a/0xa40
[  256.413511][ T5656]  __se_sys_mount+0x2d6/0x3c0
[  256.418186][ T5656]  ? __x64_sys_mount+0xc0/0xc0
[  256.422938][ T5656]  ? lockdep_hardirqs_on+0x94/0x140
[  256.428203][ T5656]  ? __x64_sys_mount+0x1c/0xc0
[  256.433019][ T5656]  do_syscall_64+0x4c/0xa0
[  256.437507][ T5656]  ? clear_bhb_loop+0x30/0x80
[  256.442168][ T5656]  ? clear_bhb_loop+0x30/0x80
[  256.446999][ T5656]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.452966][ T5656] RIP: 0033:0x7fdf0ad9a34a
[  256.457363][ T5656] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.477244][ T5656] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.485671][ T5656] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  256.493899][ T5656] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  256.501945][ T5656] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  256.510110][ T5656] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  256.518222][ T5656] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  256.526302][ T5656]  </TASK>
[  256.530712][ T5656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.544104][ T5656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.843241][ T5658] loop1: detected capacity change from 0 to 32768
[  256.905498][ T5658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.913421][ T5658] CPU: 0 PID: 5658 Comm: syz.1.220 Not tainted syzkaller #0
[  256.920735][ T5658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.930891][ T5658] Call Trace:
[  256.934174][ T5658]  <TASK>
[  256.937103][ T5658]  dump_stack_lvl+0x168/0x230
[  256.941794][ T5658]  ? show_regs_print_info+0x20/0x20
[  256.947013][ T5658]  ? load_image+0x3b0/0x3b0
[  256.951627][ T5658]  sysfs_create_dir_ns+0x252/0x280
[  256.956760][ T5658]  ? __lock_acquire+0x7c60/0x7c60
[  256.962061][ T5658]  ? sysfs_warn_dup+0xa0/0xa0
[  256.966801][ T5658]  ? do_raw_spin_unlock+0x11d/0x230
[  256.972180][ T5658]  kobject_add_internal+0x662/0xd00
[  256.977475][ T5658]  kobject_init_and_add+0x122/0x190
[  256.982752][ T5658]  ? lockdep_softirqs_off+0x420/0x420
[  256.988194][ T5658]  ? kobject_add+0x210/0x210
[  256.993037][ T5658]  ? __init_swait_queue_head+0xa5/0x150
[  256.998657][ T5658]  gfs2_sys_fs_add+0x234/0x480
[  257.003595][ T5658]  ? gfs2_recover_set+0x240/0x240
[  257.008812][ T5658]  ? snprintf+0xd7/0x120
[  257.013046][ T5658]  ? __free_pages+0x95/0x1a0
[  257.017833][ T5658]  ? vscnprintf+0x80/0x80
[  257.022156][ T5658]  gfs2_fill_super+0x128d/0x1f50
[  257.027111][ T5658]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.032158][ T5658]  ? preempt_count_add+0x8d/0x190
[  257.037524][ T5658]  ? sb_set_blocksize+0xa5/0xe0
[  257.042373][ T5658]  get_tree_bdev+0x3f1/0x610
[  257.046964][ T5658]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.052255][ T5658]  gfs2_get_tree+0x4d/0x1e0
[  257.057051][ T5658]  vfs_get_tree+0x88/0x270
[  257.061489][ T5658]  do_new_mount+0x24a/0xa40
[  257.065979][ T5658]  __se_sys_mount+0x2d6/0x3c0
[  257.070794][ T5658]  ? __x64_sys_mount+0xc0/0xc0
[  257.075580][ T5658]  ? lockdep_hardirqs_on+0x94/0x140
[  257.080995][ T5658]  ? __x64_sys_mount+0x1c/0xc0
[  257.085767][ T5658]  do_syscall_64+0x4c/0xa0
[  257.090166][ T5658]  ? clear_bhb_loop+0x30/0x80
[  257.094824][ T5658]  ? clear_bhb_loop+0x30/0x80
[  257.099483][ T5658]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.106175][ T5658] RIP: 0033:0x7fdf0ad9a34a
[  257.110616][ T5658] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.130374][ T5658] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.139051][ T5658] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  257.147129][ T5658] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  257.155556][ T5658] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  257.163540][ T5658] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  257.171700][ T5658] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  257.179775][ T5658]  </TASK>
[  257.184363][ T5658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.197961][ T5658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.512388][ T5660] loop1: detected capacity change from 0 to 32768
[  257.560847][ T5660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.568388][ T5660] CPU: 0 PID: 5660 Comm: syz.1.221 Not tainted syzkaller #0
[  257.575823][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  257.586226][ T5660] Call Trace:
[  257.589736][ T5660]  <TASK>
[  257.592683][ T5660]  dump_stack_lvl+0x168/0x230
[  257.597379][ T5660]  ? show_regs_print_info+0x20/0x20
[  257.602978][ T5660]  ? load_image+0x3b0/0x3b0
[  257.607606][ T5660]  sysfs_create_dir_ns+0x252/0x280
[  257.612736][ T5660]  ? __lock_acquire+0x7c60/0x7c60
[  257.617787][ T5660]  ? sysfs_warn_dup+0xa0/0xa0
[  257.622500][ T5660]  ? do_raw_spin_unlock+0x11d/0x230
[  257.627715][ T5660]  kobject_add_internal+0x662/0xd00
[  257.633110][ T5660]  kobject_init_and_add+0x122/0x190
[  257.638601][ T5660]  ? lockdep_softirqs_off+0x420/0x420
[  257.644168][ T5660]  ? kobject_add+0x210/0x210
[  257.648762][ T5660]  ? __init_swait_queue_head+0xa5/0x150
[  257.655241][ T5660]  gfs2_sys_fs_add+0x234/0x480
[  257.660317][ T5660]  ? gfs2_recover_set+0x240/0x240
[  257.665327][ T5660]  ? snprintf+0xd7/0x120
[  257.669670][ T5660]  ? __free_pages+0x95/0x1a0
[  257.674417][ T5660]  ? vscnprintf+0x80/0x80
[  257.678857][ T5660]  gfs2_fill_super+0x128d/0x1f50
[  257.683817][ T5660]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.688847][ T5660]  ? preempt_count_add+0x8d/0x190
[  257.693973][ T5660]  ? sb_set_blocksize+0xa5/0xe0
[  257.698815][ T5660]  get_tree_bdev+0x3f1/0x610
[  257.703610][ T5660]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.708707][ T5660]  gfs2_get_tree+0x4d/0x1e0
[  257.713201][ T5660]  vfs_get_tree+0x88/0x270
[  257.717847][ T5660]  do_new_mount+0x24a/0xa40
[  257.722549][ T5660]  __se_sys_mount+0x2d6/0x3c0
[  257.727354][ T5660]  ? __x64_sys_mount+0xc0/0xc0
[  257.732124][ T5660]  ? lockdep_hardirqs_on+0x94/0x140
[  257.737564][ T5660]  ? __x64_sys_mount+0x1c/0xc0
[  257.742585][ T5660]  do_syscall_64+0x4c/0xa0
[  257.746994][ T5660]  ? clear_bhb_loop+0x30/0x80
[  257.751832][ T5660]  ? clear_bhb_loop+0x30/0x80
[  257.756668][ T5660]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.762680][ T5660] RIP: 0033:0x7fdf0ad9a34a
[  257.767118][ T5660] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.787092][ T5660] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.795496][ T5660] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  257.803552][ T5660] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  257.811508][ T5660] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  257.819882][ T5660] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  257.828330][ T5660] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  257.836566][ T5660]  </TASK>
[  257.841019][ T5660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.854564][ T5660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.148648][ T5662] loop1: detected capacity change from 0 to 32768
[  258.165087][ T5662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.173294][ T5662] CPU: 0 PID: 5662 Comm: syz.1.222 Not tainted syzkaller #0
[  258.180684][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.190799][ T5662] Call Trace:
[  258.194172][ T5662]  <TASK>
[  258.197106][ T5662]  dump_stack_lvl+0x168/0x230
[  258.201809][ T5662]  ? show_regs_print_info+0x20/0x20
[  258.207190][ T5662]  ? load_image+0x3b0/0x3b0
[  258.211829][ T5662]  sysfs_create_dir_ns+0x252/0x280
[  258.217139][ T5662]  ? __lock_acquire+0x7c60/0x7c60
[  258.222331][ T5662]  ? sysfs_warn_dup+0xa0/0xa0
[  258.227031][ T5662]  ? do_raw_spin_unlock+0x11d/0x230
[  258.232381][ T5662]  kobject_add_internal+0x662/0xd00
[  258.237667][ T5662]  kobject_init_and_add+0x122/0x190
[  258.243321][ T5662]  ? lockdep_softirqs_off+0x420/0x420
[  258.248997][ T5662]  ? kobject_add+0x210/0x210
[  258.253952][ T5662]  ? __init_swait_queue_head+0xa5/0x150
[  258.259790][ T5662]  gfs2_sys_fs_add+0x234/0x480
[  258.264580][ T5662]  ? gfs2_recover_set+0x240/0x240
[  258.269595][ T5662]  ? snprintf+0xd7/0x120
[  258.274038][ T5662]  ? __free_pages+0x95/0x1a0
[  258.278828][ T5662]  ? vscnprintf+0x80/0x80
[  258.283245][ T5662]  gfs2_fill_super+0x128d/0x1f50
[  258.288261][ T5662]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.293274][ T5662]  ? preempt_count_add+0x8d/0x190
[  258.298291][ T5662]  ? sb_set_blocksize+0xa5/0xe0
[  258.303126][ T5662]  get_tree_bdev+0x3f1/0x610
[  258.307704][ T5662]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.312821][ T5662]  gfs2_get_tree+0x4d/0x1e0
[  258.317346][ T5662]  vfs_get_tree+0x88/0x270
[  258.321972][ T5662]  do_new_mount+0x24a/0xa40
[  258.326493][ T5662]  __se_sys_mount+0x2d6/0x3c0
[  258.331359][ T5662]  ? __x64_sys_mount+0xc0/0xc0
[  258.336291][ T5662]  ? lockdep_hardirqs_on+0x94/0x140
[  258.341496][ T5662]  ? __x64_sys_mount+0x1c/0xc0
[  258.346354][ T5662]  do_syscall_64+0x4c/0xa0
[  258.351078][ T5662]  ? clear_bhb_loop+0x30/0x80
[  258.355773][ T5662]  ? clear_bhb_loop+0x30/0x80
[  258.360582][ T5662]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.366668][ T5662] RIP: 0033:0x7fdf0ad9a34a
[  258.371191][ T5662] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.391043][ T5662] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.399660][ T5662] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  258.407800][ T5662] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  258.415864][ T5662] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  258.423923][ T5662] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  258.431905][ T5662] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  258.439874][ T5662]  </TASK>
[  258.444312][ T5662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.457879][ T5662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.755796][ T5664] loop1: detected capacity change from 0 to 32768
[  258.857392][ T5664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.865924][ T5664] CPU: 0 PID: 5664 Comm: syz.1.223 Not tainted syzkaller #0
[  258.873430][ T5664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.883494][ T5664] Call Trace:
[  258.886791][ T5664]  <TASK>
[  258.889733][ T5664]  dump_stack_lvl+0x168/0x230
[  258.894427][ T5664]  ? show_regs_print_info+0x20/0x20
[  258.899722][ T5664]  ? load_image+0x3b0/0x3b0
[  258.904246][ T5664]  sysfs_create_dir_ns+0x252/0x280
[  258.909370][ T5664]  ? __lock_acquire+0x7c60/0x7c60
[  258.914478][ T5664]  ? sysfs_warn_dup+0xa0/0xa0
[  258.919441][ T5664]  ? do_raw_spin_unlock+0x11d/0x230
[  258.924633][ T5664]  kobject_add_internal+0x662/0xd00
[  258.929852][ T5664]  kobject_init_and_add+0x122/0x190
[  258.935049][ T5664]  ? lockdep_softirqs_off+0x420/0x420
[  258.940416][ T5664]  ? kobject_add+0x210/0x210
[  258.945079][ T5664]  ? __init_swait_queue_head+0xa5/0x150
[  258.950735][ T5664]  gfs2_sys_fs_add+0x234/0x480
[  258.955592][ T5664]  ? gfs2_recover_set+0x240/0x240
[  258.960712][ T5664]  ? snprintf+0xd7/0x120
[  258.965117][ T5664]  ? __free_pages+0x95/0x1a0
[  258.969694][ T5664]  ? vscnprintf+0x80/0x80
[  258.974026][ T5664]  gfs2_fill_super+0x128d/0x1f50
[  258.978969][ T5664]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.983996][ T5664]  ? preempt_count_add+0x8d/0x190
[  258.989268][ T5664]  ? sb_set_blocksize+0xa5/0xe0
[  258.994140][ T5664]  get_tree_bdev+0x3f1/0x610
[  258.998794][ T5664]  ? gfs2_reconfigure+0xcd0/0xcd0
[  259.004034][ T5664]  gfs2_get_tree+0x4d/0x1e0
[  259.008700][ T5664]  vfs_get_tree+0x88/0x270
[  259.013156][ T5664]  do_new_mount+0x24a/0xa40
[  259.017739][ T5664]  __se_sys_mount+0x2d6/0x3c0
[  259.022775][ T5664]  ? __x64_sys_mount+0xc0/0xc0
[  259.027633][ T5664]  ? lockdep_hardirqs_on+0x94/0x140
[  259.032912][ T5664]  ? __x64_sys_mount+0x1c/0xc0
[  259.037805][ T5664]  do_syscall_64+0x4c/0xa0
[  259.042222][ T5664]  ? clear_bhb_loop+0x30/0x80
[  259.046895][ T5664]  ? clear_bhb_loop+0x30/0x80
[  259.051562][ T5664]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.057635][ T5664] RIP: 0033:0x7fdf0ad9a34a
[  259.062137][ T5664] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.081855][ T5664] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.090363][ T5664] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  259.098417][ T5664] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  259.106375][ T5664] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  259.114356][ T5664] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  259.122323][ T5664] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  259.130295][ T5664]  </TASK>
[  259.134794][ T5664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.148407][ T5664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.461974][ T5666] loop1: detected capacity change from 0 to 32768
[  259.526178][ T5666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.533674][ T5666] CPU: 0 PID: 5666 Comm: syz.1.224 Not tainted syzkaller #0
[  259.541060][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  259.551425][ T5666] Call Trace:
[  259.554821][ T5666]  <TASK>
[  259.557769][ T5666]  dump_stack_lvl+0x168/0x230
[  259.562469][ T5666]  ? show_regs_print_info+0x20/0x20
[  259.567772][ T5666]  ? load_image+0x3b0/0x3b0
[  259.572312][ T5666]  sysfs_create_dir_ns+0x252/0x280
[  259.577436][ T5666]  ? __lock_acquire+0x7c60/0x7c60
[  259.582468][ T5666]  ? sysfs_warn_dup+0xa0/0xa0
[  259.587136][ T5666]  ? do_raw_spin_unlock+0x11d/0x230
[  259.592323][ T5666]  kobject_add_internal+0x662/0xd00
[  259.597598][ T5666]  kobject_init_and_add+0x122/0x190
[  259.602876][ T5666]  ? lockdep_softirqs_off+0x420/0x420
[  259.608241][ T5666]  ? kobject_add+0x210/0x210
[  259.612821][ T5666]  ? __init_swait_queue_head+0xa5/0x150
[  259.618441][ T5666]  gfs2_sys_fs_add+0x234/0x480
[  259.623369][ T5666]  ? gfs2_recover_set+0x240/0x240
[  259.628477][ T5666]  ? snprintf+0xd7/0x120
[  259.632839][ T5666]  ? __free_pages+0x95/0x1a0
[  259.637491][ T5666]  ? vscnprintf+0x80/0x80
[  259.641845][ T5666]  gfs2_fill_super+0x128d/0x1f50
[  259.646882][ T5666]  ? gfs2_reconfigure+0xcd0/0xcd0
[  259.651896][ T5666]  ? preempt_count_add+0x8d/0x190
[  259.656916][ T5666]  ? sb_set_blocksize+0xa5/0xe0
[  259.661752][ T5666]  get_tree_bdev+0x3f1/0x610
[  259.666419][ T5666]  ? gfs2_reconfigure+0xcd0/0xcd0
[  259.671430][ T5666]  gfs2_get_tree+0x4d/0x1e0
[  259.676009][ T5666]  vfs_get_tree+0x88/0x270
[  259.680414][ T5666]  do_new_mount+0x24a/0xa40
[  259.684935][ T5666]  __se_sys_mount+0x2d6/0x3c0
[  259.689597][ T5666]  ? __x64_sys_mount+0xc0/0xc0
[  259.694362][ T5666]  ? lockdep_hardirqs_on+0x94/0x140
[  259.699566][ T5666]  ? __x64_sys_mount+0x1c/0xc0
[  259.704507][ T5666]  do_syscall_64+0x4c/0xa0
[  259.708929][ T5666]  ? clear_bhb_loop+0x30/0x80
[  259.713625][ T5666]  ? clear_bhb_loop+0x30/0x80
[  259.718575][ T5666]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.724461][ T5666] RIP: 0033:0x7fdf0ad9a34a
[  259.728862][ T5666] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.748547][ T5666] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.757043][ T5666] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  259.765378][ T5666] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  259.773515][ T5666] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  259.781481][ T5666] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  259.789450][ T5666] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  259.797501][ T5666]  </TASK>
[  259.805442][ T5666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.818753][ T5666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.175933][ T5668] loop1: detected capacity change from 0 to 32768
[  260.246896][ T5668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.254424][ T5668] CPU: 1 PID: 5668 Comm: syz.1.225 Not tainted syzkaller #0
[  260.261717][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.271868][ T5668] Call Trace:
[  260.275343][ T5668]  <TASK>
[  260.278281][ T5668]  dump_stack_lvl+0x168/0x230
[  260.283004][ T5668]  ? show_regs_print_info+0x20/0x20
[  260.288335][ T5668]  ? load_image+0x3b0/0x3b0
[  260.292866][ T5668]  sysfs_create_dir_ns+0x252/0x280
[  260.298080][ T5668]  ? __lock_acquire+0x7c60/0x7c60
[  260.303118][ T5668]  ? sysfs_warn_dup+0xa0/0xa0
[  260.307811][ T5668]  ? do_raw_spin_unlock+0x11d/0x230
[  260.313029][ T5668]  kobject_add_internal+0x662/0xd00
[  260.318246][ T5668]  kobject_init_and_add+0x122/0x190
[  260.323449][ T5668]  ? lockdep_softirqs_off+0x420/0x420
[  260.328817][ T5668]  ? kobject_add+0x210/0x210
[  260.333579][ T5668]  ? __init_swait_queue_head+0xa5/0x150
[  260.339194][ T5668]  gfs2_sys_fs_add+0x234/0x480
[  260.344028][ T5668]  ? gfs2_recover_set+0x240/0x240
[  260.349034][ T5668]  ? snprintf+0xd7/0x120
[  260.353389][ T5668]  ? __free_pages+0x95/0x1a0
[  260.358049][ T5668]  ? vscnprintf+0x80/0x80
[  260.362361][ T5668]  gfs2_fill_super+0x128d/0x1f50
[  260.367286][ T5668]  ? gfs2_reconfigure+0xcd0/0xcd0
[  260.372286][ T5668]  ? preempt_count_add+0x8d/0x190
[  260.377291][ T5668]  ? sb_set_blocksize+0xa5/0xe0
[  260.382297][ T5668]  get_tree_bdev+0x3f1/0x610
[  260.386867][ T5668]  ? gfs2_reconfigure+0xcd0/0xcd0
[  260.392161][ T5668]  gfs2_get_tree+0x4d/0x1e0
[  260.396850][ T5668]  vfs_get_tree+0x88/0x270
[  260.401278][ T5668]  do_new_mount+0x24a/0xa40
[  260.405794][ T5668]  __se_sys_mount+0x2d6/0x3c0
[  260.410468][ T5668]  ? __x64_sys_mount+0xc0/0xc0
[  260.415218][ T5668]  ? lockdep_hardirqs_on+0x94/0x140
[  260.420663][ T5668]  ? __x64_sys_mount+0x1c/0xc0
[  260.425589][ T5668]  do_syscall_64+0x4c/0xa0
[  260.429984][ T5668]  ? clear_bhb_loop+0x30/0x80
[  260.434953][ T5668]  ? clear_bhb_loop+0x30/0x80
[  260.439789][ T5668]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.445677][ T5668] RIP: 0033:0x7fdf0ad9a34a
[  260.450080][ T5668] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.469774][ T5668] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.478287][ T5668] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  260.486332][ T5668] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  260.494391][ T5668] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  260.502455][ T5668] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  260.510716][ T5668] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  260.518785][ T5668]  </TASK>
[  260.523543][ T5668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.536954][ T5668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.904271][ T5670] loop1: detected capacity change from 0 to 32768
[  260.921488][ T5670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.929077][ T5670] CPU: 1 PID: 5670 Comm: syz.1.226 Not tainted syzkaller #0
[  260.936364][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.946527][ T5670] Call Trace:
[  260.949803][ T5670]  <TASK>
[  260.952728][ T5670]  dump_stack_lvl+0x168/0x230
[  260.957408][ T5670]  ? show_regs_print_info+0x20/0x20
[  260.962605][ T5670]  ? load_image+0x3b0/0x3b0
[  260.967116][ T5670]  sysfs_create_dir_ns+0x252/0x280
[  260.972579][ T5670]  ? __lock_acquire+0x7c60/0x7c60
[  260.977600][ T5670]  ? sysfs_warn_dup+0xa0/0xa0
[  260.982398][ T5670]  ? do_raw_spin_unlock+0x11d/0x230
[  260.987616][ T5670]  kobject_add_internal+0x662/0xd00
[  260.992944][ T5670]  kobject_init_and_add+0x122/0x190
[  260.998430][ T5670]  ? lockdep_softirqs_off+0x420/0x420
[  261.003917][ T5670]  ? kobject_add+0x210/0x210
[  261.008536][ T5670]  ? __init_swait_queue_head+0xa5/0x150
[  261.014097][ T5670]  gfs2_sys_fs_add+0x234/0x480
[  261.018876][ T5670]  ? gfs2_recover_set+0x240/0x240
[  261.023897][ T5670]  ? snprintf+0xd7/0x120
[  261.028146][ T5670]  ? __free_pages+0x95/0x1a0
[  261.032749][ T5670]  ? vscnprintf+0x80/0x80
[  261.037104][ T5670]  gfs2_fill_super+0x128d/0x1f50
[  261.042068][ T5670]  ? gfs2_reconfigure+0xcd0/0xcd0
[  261.047102][ T5670]  ? preempt_count_add+0x8d/0x190
[  261.052154][ T5670]  ? sb_set_blocksize+0xa5/0xe0
[  261.057140][ T5670]  get_tree_bdev+0x3f1/0x610
[  261.061761][ T5670]  ? gfs2_reconfigure+0xcd0/0xcd0
[  261.066803][ T5670]  gfs2_get_tree+0x4d/0x1e0
[  261.071492][ T5670]  vfs_get_tree+0x88/0x270
[  261.076104][ T5670]  do_new_mount+0x24a/0xa40
[  261.080645][ T5670]  __se_sys_mount+0x2d6/0x3c0
[  261.085534][ T5670]  ? __x64_sys_mount+0xc0/0xc0
[  261.090319][ T5670]  ? lockdep_hardirqs_on+0x94/0x140
[  261.095532][ T5670]  ? __x64_sys_mount+0x1c/0xc0
[  261.100331][ T5670]  do_syscall_64+0x4c/0xa0
[  261.104758][ T5670]  ? clear_bhb_loop+0x30/0x80
[  261.109455][ T5670]  ? clear_bhb_loop+0x30/0x80
[  261.114235][ T5670]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.120240][ T5670] RIP: 0033:0x7fdf0ad9a34a
[  261.124834][ T5670] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.144715][ T5670] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.153141][ T5670] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  261.161125][ T5670] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  261.169213][ T5670] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  261.177213][ T5670] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  261.185373][ T5670] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  261.193372][ T5670]  </TASK>
[  261.201568][ T5670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.215165][ T5670] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/22 06:17:53 executed programs: 212
[  261.395555][   T27] INFO: task syz-executor:5007 blocked for more than 143 seconds.
[  261.403750][   T27]       Not tainted syzkaller #0
[  261.411068][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  261.420995][   T27] task:syz-executor    state:D stack:21824 pid: 5007 ppid:     1 flags:0x00004004
[  261.432673][   T27] Call Trace:
[  261.436230][   T27]  <TASK>
[  261.439171][   T27]  __schedule+0x11bb/0x4390
[  261.443956][   T27]  ? _raw_spin_lock_irqsave+0x7f/0xf0
[  261.452675][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x100
[  261.459295][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  261.465595][   T27]  ? _raw_spin_unlock+0x40/0x40
[  261.470545][   T27]  ? rcu_is_watching+0x11/0xa0
[  261.477857][   T27]  ? release_firmware_map_entry+0x190/0x190
[  261.483881][   T27]  schedule+0x11b/0x1e0
[  261.489029][   T27]  schedule_timeout+0x15c/0x280
[  261.494009][   T27]  ? console_conditional_schedule+0x40/0x40
[  261.495148][ T5672] loop1: detected capacity change from 0 to 32768
[  261.500265][   T27]  ? update_process_times+0x200/0x200
[  261.513211][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  261.519453][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.519816][   T27]  gfs2_gl_hash_clear+0x1a4/0x2f0
[  261.527079][ T5672] CPU: 1 PID: 5672 Comm: syz.1.227 Not tainted syzkaller #0
[  261.539199][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  261.543593][   T27]  ? thaw_glock+0x150/0x150
[  261.549449][ T5672] Call Trace:
[  261.549473][ T5672]  <TASK>
[  261.549480][ T5672]  dump_stack_lvl+0x168/0x230
[  261.549501][ T5672]  ? show_regs_print_info+0x20/0x20
[  261.560720][   T27]  ? gfs2_jindex_free+0x39b/0x400
[  261.565440][ T5672]  ? load_image+0x3b0/0x3b0
[  261.565467][ T5672]  sysfs_create_dir_ns+0x252/0x280
[  261.565486][ T5672]  ? __lock_acquire+0x7c60/0x7c60
[  261.587379][   T27]  ? init_wait_entry+0xd0/0xd0
[  261.590706][ T5672]  ? sysfs_warn_dup+0xa0/0xa0
[  261.595503][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  261.600207][ T5672]  ? do_raw_spin_unlock+0x11d/0x230
[  261.604865][   T27]  gfs2_put_super+0x769/0x7d0
[  261.610217][ T5672]  kobject_add_internal+0x662/0xd00
[  261.610244][ T5672]  kobject_init_and_add+0x122/0x190
[  261.620398][   T27]  ? gfs2_evict_inode+0x11f0/0x11f0
[  261.625443][ T5672]  ? lockdep_softirqs_off+0x420/0x420
[  261.625479][ T5672]  ? kobject_add+0x210/0x210
[  261.630665][   T27]  generic_shutdown_super+0x130/0x300
[  261.636020][ T5672]  ? __init_swait_queue_head+0xa5/0x150
[  261.636044][ T5672]  gfs2_sys_fs_add+0x234/0x480
[  261.636064][ T5672]  ? gfs2_recover_set+0x240/0x240
[  261.636079][ T5672]  ? snprintf+0xd7/0x120
[  261.636094][ T5672]  ? __free_pages+0x95/0x1a0
[  261.636115][ T5672]  ? vscnprintf+0x80/0x80
[  261.636142][ T5672]  gfs2_fill_super+0x128d/0x1f50
[  261.636171][ T5672]  ? gfs2_reconfigure+0xcd0/0xcd0
[  261.643147][   T27]  kill_block_super+0x7c/0xe0
[  261.646082][ T5672]  ? preempt_count_add+0x8d/0x190
[  261.646111][ T5672]  ? sb_set_blocksize+0xa5/0xe0
[  261.651654][   T27]  deactivate_locked_super+0x93/0xf0
[  261.656402][ T5672]  get_tree_bdev+0x3f1/0x610
[  261.656423][ T5672]  ? gfs2_reconfigure+0xcd0/0xcd0
[  261.661435][   T27]  cleanup_mnt+0x418/0x4d0
[  261.665735][ T5672]  gfs2_get_tree+0x4d/0x1e0
[  261.665757][ T5672]  vfs_get_tree+0x88/0x270
[  261.670426][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  261.674734][ T5672]  do_new_mount+0x24a/0xa40
[  261.679764][   T27]  task_work_run+0x125/0x1a0
[  261.684751][ T5672]  __se_sys_mount+0x2d6/0x3c0
[  261.695146][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  261.699470][ T5672]  ? __x64_sys_mount+0xc0/0xc0
[  261.699501][ T5672]  ? lockdep_hardirqs_on+0x94/0x140
[  261.699518][ T5672]  ? __x64_sys_mount+0x1c/0xc0
[  261.699537][ T5672]  do_syscall_64+0x4c/0xa0
[  261.705456][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  261.709380][ T5672]  ? clear_bhb_loop+0x30/0x80
[  261.714929][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  261.719346][ T5672]  ? clear_bhb_loop+0x30/0x80
[  261.719365][ T5672]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.719380][ T5672] RIP: 0033:0x7fdf0ad9a34a
[  261.719395][ T5672] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.725219][   T27]  do_syscall_64+0x58/0xa0
[  261.728454][ T5672] RSP: 002b:00007fdf0a407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.728476][ T5672] RAX: ffffffffffffffda RBX: 00007fdf0a407ef0 RCX: 00007fdf0ad9a34a
[  261.728488][ T5672] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007fdf0a407eb0
[  261.728499][ T5672] RBP: 00002000000002c0 R08: 00007fdf0a407ef0 R09: 0000000000008c9b
[  261.734479][   T27]  ? clear_bhb_loop+0x30/0x80
[  261.738379][ T5672] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  261.738393][ T5672] R13: 00007fdf0a407eb0 R14: 0000000000012760 R15: 0000200000000400
[  261.738416][ T5672]  </TASK>
[  261.748206][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.754201][   T27]  ? clear_bhb_loop+0x30/0x80
[  261.758750][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.763713][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.916249][   T27] RIP: 0033:0x7fa56c89ded7
[  261.920664][   T27] RSP: 002b:00007ffc35bc2f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  261.929423][   T27] RAX: 0000000000000000 RBX: 00007fa56c91fc05 RCX: 00007fa56c89ded7
[  261.937463][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc35bc3050
[  261.945701][   T27] RBP: 00007ffc35bc3050 R08: 0000000000000000 R09: 0000000000000000
[  261.953766][   T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc35bc40e0
[  261.962035][   T27] R13: 00007fa56c91fc05 R14: 0000000000019f55 R15: 00007ffc35bc4120
[  261.970137][   T27]  </TASK>
[  261.973583][   T27] 
[  261.973583][   T27] Showing all locks held in the system:
[  261.981461][   T27] 1 lock held by khungtaskd/27:
[  261.986538][   T27]  #0: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  261.996150][   T27] 2 locks held by getty/3947:
[  262.001051][   T27]  #0: ffff88807ed70098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  262.010956][   T27]  #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[  262.021654][   T27] 1 lock held by syz-executor/5007:
[  262.027575][   T27]  #0: ffff888018d860e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  262.038204][   T27] 1 lock held by syz.1.227/5672:
[  262.043321][   T27]  #0: ffff888147ce7468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[  262.052811][   T27] 
[  262.055150][   T27] =============================================
[  262.055150][   T27] 
[  262.063739][   T27] NMI backtrace for cpu 1
[  262.068148][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  262.075417][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.085643][   T27] Call Trace:
[  262.088915][   T27]  <TASK>
[  262.091885][   T27]  dump_stack_lvl+0x168/0x230
[  262.096631][   T27]  ? show_regs_print_info+0x20/0x20
[  262.101898][   T27]  ? load_image+0x3b0/0x3b0
[  262.106386][   T27]  ? nmi_cpu_backtrace+0x1b6/0x3d0
[  262.111829][   T27]  nmi_cpu_backtrace+0x397/0x3d0
[  262.117034][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  262.123278][   T27]  ? _printk+0xcc/0x110
[  262.127605][   T27]  ? load_image+0x3b0/0x3b0
[  262.132179][   T27]  ? load_image+0x3b0/0x3b0
[  262.136666][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  262.142802][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  262.148859][   T27]  watchdog+0xe0f/0xe50
[  262.153010][   T27]  kthread+0x436/0x520
[  262.157164][   T27]  ? hungtask_pm_notify+0x40/0x40
[  262.162402][   T27]  ? kthread_blkcg+0xd0/0xd0
[  262.167127][   T27]  ret_from_fork+0x1f/0x30
[  262.171571][   T27]  </TASK>
[  262.174845][   T27] Sending NMI from CPU 1 to CPUs 0:
[  262.180273][    C0] NMI backtrace for cpu 0
[  262.180286][    C0] CPU: 0 PID: 4415 Comm: kworker/0:20 Not tainted syzkaller #0
[  262.180301][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.180310][    C0] Workqueue: events pwq_unbound_release_workfn
[  262.180330][    C0] RIP: 0010:_find_next_bit+0xe8/0x200
[  262.180349][    C0] Code: ff 4c 89 6c 24 10 4c 8b 6c 24 08 4c 89 ee e8 ff ee 9d fd 4d 89 f4 49 0f cc 4d 85 ed 4d 0f 44 e6 49 83 e7 c0 48 89 ee 4c 21 e6 <31> ff e8 e1 ee 9d fd 49 21 ec 74 0a e8 f7 ea 9d fd e9 b8 00 00 00
[  262.180361][    C0] RSP: 0018:ffffc9000337fa60 EFLAGS: 00000086
[  262.180372][    C0] RAX: ffffffff83d9e0f1 RBX: 0000000000100000 RCX: ffff888025d4bb80
[  262.180383][    C0] RDX: 0000000000000000 RSI: fffffffff0000000 RDI: 0000000000000000
[  262.180393][    C0] RBP: ffffffffffffffff R08: 0000000000000000 R09: 0000000000000000
[  262.180402][    C0] R10: fffff5200066ff54 R11: 1ffff9200066ff54 R12: fffffffff0000000
[  262.180412][    C0] R13: 0000000000000000 R14: fffffffff0000000 R15: 0000000000000880
[  262.180422][    C0] FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  262.180434][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  262.180444][    C0] CR2: 00007fee7fe05000 CR3: 000000001f6af000 CR4: 00000000003506f0
[  262.180458][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  262.180466][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  262.180475][    C0] Call Trace:
[  262.180480][    C0]  <TASK>
[  262.180488][    C0]  zap_class+0xb6/0x890
[  262.180504][    C0]  lockdep_unregister_key+0x330/0x500
[  262.180520][    C0]  ? lockdep_reset_lock+0x2d0/0x2d0
[  262.180535][    C0]  ? read_lock_is_recursive+0x10/0x10
[  262.180552][    C0]  pwq_unbound_release_workfn+0x262/0x2b0
[  262.180567][    C0]  process_one_work+0x863/0x1000
[  262.180585][    C0]  ? worker_detach_from_pool+0x240/0x240
[  262.180598][    C0]  ? lockdep_hardirqs_off+0x70/0x100
[  262.180615][    C0]  ? _raw_spin_lock_irq+0xab/0xe0
[  262.180629][    C0]  ? _raw_spin_lock_irqsave+0xf0/0xf0
[  262.180642][    C0]  ? wq_worker_running+0x97/0x170
[  262.180655][    C0]  worker_thread+0xaa8/0x12a0
[  262.180677][    C0]  kthread+0x436/0x520
[  262.180689][    C0]  ? rcu_lock_release+0x20/0x20
[  262.180701][    C0]  ? kthread_blkcg+0xd0/0xd0
[  262.180713][    C0]  ret_from_fork+0x1f/0x30
[  262.180731][    C0]  </TASK>
[  262.204955][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  262.204975][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  262.204991][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.205002][   T27] Call Trace:
[  262.205008][   T27]  <TASK>
[  262.205016][   T27]  dump_stack_lvl+0x168/0x230
[  262.205041][   T27]  ? show_regs_print_info+0x20/0x20
[  262.205059][   T27]  ? load_image+0x3b0/0x3b0
[  262.205086][   T27]  panic+0x2c9/0x7f0
[  262.205101][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  262.205124][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  262.205144][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  262.205167][   T27]  watchdog+0xe4e/0xe50
[  262.205193][   T27]  kthread+0x436/0x520
[  262.205209][   T27]  ? hungtask_pm_notify+0x40/0x40
[  262.205224][   T27]  ? kthread_blkcg+0xd0/0xd0
[  262.205248][   T27]  ret_from_fork+0x1f/0x30
[  262.205278][   T27]  </TASK>
[  262.205644][   T27] Kernel Offset: disabled
[  262.506736][   T27] Rebooting in 86400 seconds..